{"query_echo":{"q":"","filters":{"organization":["Climate Central"]},"warnings":[]},"total":{"value":351,"relation":"eq"},"page":11,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?organization=climate-central&page=11","next":"https://climateinsightsdirectory.org/api/v1/search?organization=climate-central&page=12","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"climcent-000060","url":"https://climateinsightsdirectory.org/document/climcent-000060","title":"Record Global Temperatures and U.S. Billion-Dollar Disasters","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-12-14","source_url":"https://www.climatecentral.org/climate-matters/record-global-temperatures-and-us-billion-dollar-disasters-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document reports that 2023 is virtually certain to be the hottest year on record, with global surface temperatures from January to November 2023 ranking highest in the 144-year record at 1.4°C above the 1881-1910 baseline. In the U.S., 25 billion-dollar weather and climate disasters occurred between January and November 2023, surpassing the previous annual record of 22 in 2020. These events caused an estimated 482 deaths and $81 billion in damages, with severe storms accounting for 76% of these disasters. The average time between such disasters in 2023 dropped to 10 days, compared to 82 days in the 1980s.","ai_generated":true,"unit":"climcent-000060#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Global temperatures from January through November 2023 were the highest in the 144-year record, measuring 1.4°C (2.52°F) above the 1881-1910 baseline average. It is considered virtually certain that 2023 will be the hottest year on record, featuring six record-breaking months from June to November.","ai_generated":true,"unit":"climcent-000060#insight-1","date_modified":"2026-10-23"},{"text":"The United States experienced a record 25 billion-dollar weather and climate disasters between January and November 2023, exceeding the previous record of 22 events in 2020. These disasters resulted in approximately $81 billion in damages and 482 deaths.","ai_generated":true,"unit":"climcent-000060#insight-2","date_modified":"2026-10-23"},{"text":"The frequency of billion-dollar disasters in the U.S. has accelerated, with the average time between events falling from 82 days in the 1980s to 18 days between 2018-2022, and further down to 10 days during the first 11 months of 2023.","ai_generated":true,"unit":"climcent-000060#insight-3","date_modified":"2026-10-23"},{"text":"Severe storms were the primary driver of billion-dollar disasters in 2023, accounting for 19 of the 25 events (76%). Other significant impacts included a $10.5 billion drought in Southern and Midwestern states and nearly $5 billion in damage from atmospheric rivers in California.","ai_generated":true,"unit":"climcent-000060#insight-4","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide emissions","extreme weather event","wildfire","drought","flood","hurricane","climate justice","solar energy","wind energy"],"geography_discussed":["Canada","Hawaii","California","Puerto Rico","Florida"],"frame_perspective":[],"analysis_type":["statistical analysis","trend analysis"]},{"id":"climcent-000003","url":"https://climateinsightsdirectory.org/document/climcent-000003","title":"Climate Change is Disrupting Air Travel","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-12-06","source_url":"https://www.climatecentral.org/climate-matters/climate-change-is-disrupting-air-travel-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document outlines the bidirectional relationship between aviation and climate change, noting that global air travel emitted over 780 Mt CO2 in 2022 while simultaneously facing operational disruptions from the resulting warming. It identifies five primary climate-driven disruptions: coastal flooding threatening airport infrastructure, high temperatures reducing aircraft lift and capacity, increased lightning strike risks, shifting jet stream patterns affecting flight duration, and a rise in severe clear-air turbulence. The text emphasizes the need for the aviation industry to implement adaptation measures, such as coastal defenses and adjusted flight scheduling, to maintain safety and manage costs.","ai_generated":true,"unit":"climcent-000003#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Aviation contributes significantly to global warming, with emissions from global air travel and airport operations exceeding 780 Mt CO2 in 2022, representing approximately 2% of global energy-related CO2 emissions for that year. These emissions grew fourfold between 1966 and 2018.","ai_generated":true,"unit":"climcent-000003#insight-1","date_modified":"2026-10-23"},{"text":"Climate change disrupts U.S. air travel through coastal flooding, extreme weather, and temperature increases; currently, weather is responsible for more than 75% of air traffic delays in the United States.","ai_generated":true,"unit":"climcent-000003#insight-2","date_modified":"2026-10-23"},{"text":"Rising temperatures impact aircraft performance by reducing air density, which makes it harder for planes to gain lift. This can lead to weight restrictions on passengers, cargo, and fuel, or require longer runway distances for takeoff.","ai_generated":true,"unit":"climcent-000003#insight-3","date_modified":"2026-10-23"},{"text":"Global warming is linked to increased aviation safety risks, including a projected 12% increase in annual U.S. lightning strikes for every 1°C (1.8°F) of warming and a 41% increase in severe clear-air turbulence over the U.S. between 1979 and 2020.","ai_generated":true,"unit":"climcent-000003#insight-4","date_modified":"2026-10-23"},{"text":"Changes in the jet stream may alter flight durations in the Northern Hemisphere, potentially increasing the length of west-bound flights while shortening east-bound ones, which impacts fuel consumption and scheduling.","ai_generated":true,"unit":"climcent-000003#insight-5","date_modified":"2026-10-23"},{"text":"The aviation industry must adopt adaptation strategies to mitigate climate risks, such as the Shoreline Protection Program at San Francisco Airport for coastal resilience, expanding runways, or scheduling flights during cooler times of the day.","ai_generated":true,"unit":"climcent-000003#insight-6","date_modified":"2026-10-23"}],"climate_tags":["aviation","greenhouse gas emissions","sea level rise","coastal flood","extreme weather event","climate change adaptation","climate resilience"],"geography_discussed":["San Francisco International Airport","World"],"frame_perspective":[],"analysis_type":["impact assessment"]},{"id":"climcent-000043","url":"https://climateinsightsdirectory.org/document/climcent-000043","title":"November Warming & Thanksgiving Extremes","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-11-22","source_url":"https://www.climatecentral.org/climate-matters/november-warming-and-thanksgiving-extremes-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"An analysis of 241 U.S. locations from 1970 to 2022 shows that 82% experienced rising November temperatures, with an average increase of 2.1°F.","ai_generated":true,"unit":"climcent-000043#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between 1970 and 2022, 82% of the 241 analyzed U.S. locations (205 locations) experienced an increase in November temperatures, with an average rise of 2.1°F.","ai_generated":true,"unit":"climcent-000043#insight-1","date_modified":"2026-10-23"},{"text":"In 22% of the analyzed locations, November temperatures increased by at least 3°F between 1970 and 2022.","ai_generated":true,"unit":"climcent-000043#insight-2","date_modified":"2026-10-23"}],"climate_tags":["extreme weather event"],"geography_discussed":["Dothan","Hattiesburg","Hazard","Terre Haute","Twin Falls","Wheeling"],"frame_perspective":[],"analysis_type":["statistical analysis"]},{"id":"climcent-000230","url":"https://climateinsightsdirectory.org/document/climcent-000230","title":"2023 Winter Package","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-11-22","source_url":"https://www.climatecentral.org/climate-matters/2023-winter-package","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central's analysis of U.S. locations from 1970 to 2022 shows that winter is the fastest-warming season for 74% of analyzed sites, with average winter temperatures increasing in 97% of locations. This warming is characterized by more warmer-than-normal days, fewer freezing nights, and shrinking cold snaps, particularly in the Northeast and Upper Midwest. These trends affect critical sectors including the $27 billion fruit and nut industry, western water supplies, and residential energy use.","ai_generated":true,"unit":"climcent-000230#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Winter is the fastest-warming season for 74% of the U.S. locations analyzed. Between 1970 and 2022, average winter temperatures increased in 233 of 240 locations (97%), with an average increase of 3.8°F. The most significant warming occurred in the Upper Midwest (4.7°F), Northeast (4.6°F), and Ohio Valley (4.3°F).","ai_generated":true,"unit":"climcent-000230#insight-1","date_modified":"2026-10-23"},{"text":"The frequency of warmer-than-normal winter days has increased in 95% of the 240 analyzed locations since 1970. Approximately 84% of these locations now experience at least seven more warmer-than-normal winter days than they did in 1970, with the highest increases seen in the Northeast (16 more days) and Upper Midwest (14 more days).","ai_generated":true,"unit":"climcent-000230#insight-2","date_modified":"2026-10-23"},{"text":"Extreme cold events are diminishing: 97% of 244 analyzed U.S. locations saw shrinking winter cold snaps from 1970 to 2021, decreasing by 6 days on average. Additionally, the annual number of freezing nights dropped in 204 locations by an average of 13 nights, and annual minimum temperatures rose by at least 1°F in 98% of 244 locations.","ai_generated":true,"unit":"climcent-000230#insight-3","date_modified":"2026-10-23"},{"text":"Winter warming has diverse socio-economic and environmental impacts, including reducing mountain snowpack for western U.S. water supplies and disrupting the chill required for the nearly $27 billion U.S. fruit and nut industry. It also contributes to decreasing residential natural gas use and increasing the risks from disease-carrying pests and allergies.","ai_generated":true,"unit":"climcent-000230#insight-4","date_modified":"2026-10-23"}],"climate_tags":["agriculture","natural gas","public health","El Niño southern oscillation"],"geography_discussed":["Northeastern United States","Great Lakes","Upper Midwest","Ohio Valley","Burlington, Vt.","Albany, Ga.","Chattanooga, Tenn.","Milwaukee, Wis.","Concord, N.H.","Las Vegas, Nev.","Honolulu, Hawai’i","San Francisco, Ca.","California","Washington","Florida","Oregon","South Carolina","Georgia"],"frame_perspective":[],"analysis_type":["trend analysis","impact assessment"]},{"id":"climcent-000160","url":"https://climateinsightsdirectory.org/document/climcent-000160","title":"Earth’s hottest 12-month streak","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2023-11-09","source_url":"https://www.climatecentral.org/climate-matters/earths-hottest-12-month-streak-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central's analysis using the Climate Shift Index (CSI) reveals that 90% of the global population experienced at least 10 days of temperatures strongly influenced by climate change between November 2022 and October 2023. The study highlights that one in four people faced extreme heat streaks of at least five days driven by carbon pollution, with the strongest influences observed in the developing world and specific high-impact areas like Jamaica and several U.S. cities.","ai_generated":true,"unit":"climcent-000160#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between November 1, 2022, and October 31, 2023, the global average temperature was 1.3°C (2.3°F) above pre-industrial levels, marking the hottest 12-month period on record. During this time, 7.3 billion people, or 90% of the global population, experienced at least 10 days where temperatures were at least three times more likely due to climate change (CSI level 3 or higher).","ai_generated":true,"unit":"climcent-000160#insight-1","date_modified":"2026-10-23"},{"text":"Approximately 1.9 billion people, representing one in four people globally, experienced extreme heat streaks lasting at least five days that were strongly influenced by carbon pollution, with a CSI of 2 or higher.","ai_generated":true,"unit":"climcent-000160#insight-2","date_modified":"2026-10-23"},{"text":"In the United States, 49% of the population (162.6 million people) experienced 10 or more days at CSI level 3 or higher. Houston, Texas, recorded the longest streak of extreme heat made more likely by carbon pollution among 700 large global cities, lasting 22 days.","ai_generated":true,"unit":"climcent-000160#insight-3","date_modified":"2026-10-23"},{"text":"The influence of climate change on heat was most pronounced in the developing world. Jamaica recorded the highest average CSI of any analyzed country at 4.5, followed by Guatemala (4.4) and Rwanda (4.1).","ai_generated":true,"unit":"climcent-000160#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","extreme heat","heat wave","carbon dioxide emissions","climate change"],"geography_discussed":["United States","Houston","Jamaica","Guatemala","Rwanda","Dominican Republic","Santo Domingo","Santiago","Saudi Arabia","Indonesia","Mexico","India","Japan","Italy","Brazil","France","Turkey","Germany","Russia"],"frame_perspective":[],"analysis_type":["attribution analysis"]},{"id":"climcent-000341","url":"https://climateinsightsdirectory.org/document/climcent-000341","title":"The hottest 12-month stretch in recorded history","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2023-11-09","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/2MfZmFIqY4NQzkhiJ0KRzA/f8cc7af1b96686599c4eed317b3aba5d/Report_-_The_hottest_12-month_stretch_in_recorded_history.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The period from November 2022 to October 2023 was the hottest 12-month stretch in recorded history, with a global average temperature 1.32°C above the pre-industrial baseline. Using the Climate Shift Index (CSI), Climate Central found that 90% of the global population (7.3 billion people) experienced at least 10 days of temperatures very strongly affected by climate change (CSI level 3 or higher). Approximately 1.9 billion people (24%) experienced a five-day heat wave strongly influenced by carbon pollution (CSI level 2 or higher). The report highlights an inequitable distribution of impacts, with small island developing states and least developed countries facing higher exposure, although heat waves also occurred in G20 nations. The analysis also links human-induced climate change to severe weather events, including deadly flooding in Africa and Libya, and record-breaking wildfires in Canada and Hawaii.","ai_generated":true,"unit":"climcent-000341#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The 12-month period from November 2022 to October 2023 was the hottest on record, with an estimated global average temperature of 1.32°C above the pre-industrial baseline (1850-1900).","ai_generated":true,"unit":"climcent-000341#insight-1","date_modified":"2026-10-23"},{"text":"A vast majority of the global population experienced temperatures significantly influenced by human-caused climate change: 90% (7.3 billion people) had at least 10 days with a CSI of 3 or higher, and 73% (5.8 billion people) experienced more than a month of such temperatures.","ai_generated":true,"unit":"climcent-000341#insight-2","date_modified":"2026-10-23"},{"text":"Approximately 24% of the global population (1.9 billion people) experienced a heat wave of at least five consecutive days that was strongly influenced by carbon pollution (CSI level 2 or higher).","ai_generated":true,"unit":"climcent-000341#insight-3","date_modified":"2026-10-23"},{"text":"Climate-driven heat impacts are inequitably distributed, with the highest average CSI values found in small island developing states (2.7) and least developed countries (2.0), compared to G20 countries (0.8).","ai_generated":true,"unit":"climcent-000341#insight-4","date_modified":"2026-10-23"},{"text":"Among the 700 analyzed cities with over 1 million people, Houston, Texas, had the longest extreme heat streak at 22 days, starting July 31, 2023.","ai_generated":true,"unit":"climcent-000341#insight-5","date_modified":"2026-10-23"},{"text":"Human-induced climate change contributed to severe global weather events, including the deadliest storm in Africa's history (Storm Daniel) with over 4,000 victims, and wildfires in Canada that burned over 45 million acres.","ai_generated":true,"unit":"climcent-000341#insight-6","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide emissions","climate change","heat wave","extreme event attribution","extreme weather event","Small Island Developing States","El Niño southern oscillation","wildfire","flood"],"geography_discussed":["Jamaica","Guatemala","Rwanda","United States","Europe","India","People's Republic of China","Houston","Canada","Hawaii","Libya","Greece","Bulgaria","Turkey","Argentina","Spain","Italy"],"frame_perspective":[],"analysis_type":["attribution analysis","temperature trend analysis","population exposure assessment"]},{"id":"climcent-000002","url":"https://climateinsightsdirectory.org/document/climcent-000002","title":"Halloween Extremes & Warming October Nights","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-10-25","source_url":"https://www.climatecentral.org/climate-matters/halloween-extremes-and-warming-october-nights-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Since 1970, fall temperatures in the U.S. have increased by 2.7°F on average, with October nights warming by 2.2°F. Analysis of 244 U.S. cities shows that 89% have experienced warming October nights, and 153 locations saw increases exceeding 2°F.","ai_generated":true,"unit":"climcent-000002#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Average fall temperatures across the United States have increased by 2.7°F since 1970, which can lead to extended wildfire smoke and allergy seasons and disrupt leaf-peeping.","ai_generated":true,"unit":"climcent-000002#insight-1","date_modified":"2026-10-23"},{"text":"Between 1970 and 2022, October nights in the U.S. warmed by an average of 2.2°F. In a study of 244 cities, 216 (89%) showed warming trends, and 153 cities experienced warming of more than 2°F.","ai_generated":true,"unit":"climcent-000002#insight-2","date_modified":"2026-10-23"}],"climate_tags":["climate change"],"geography_discussed":["Dothan","Hazard","Wheeling"],"frame_perspective":[],"analysis_type":["trend analysis"]},{"id":"climcent-000226","url":"https://climateinsightsdirectory.org/document/climcent-000226","title":"Wettest Seasons in U.S. Regions","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-10-18","source_url":"https://www.climatecentral.org/climate-matters/wettest-seasons-in-us-regions-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central analyzed precipitation data from 1969-70 to 2022-23 for the contiguous U.S., finding that while some regions have balanced seasonal rainfall, others rely heavily on a single season. Specifically, the West and Northwest are dominated by winter precipitation, while the Plains and Upper Midwest rely on summer rainfall. Climate change is altering these patterns, with a general increase in precipitation east of the Rockies and a decrease to the west. Warmer temperatures are increasing atmospheric moisture—approximately 10% more since 1970—which enhances extremes such as heavy downpours and intensifying droughts.","ai_generated":true,"unit":"climcent-000226#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Regional precipitation patterns in the contiguous U.S. vary significantly: the West and Northwest are primarily dependent on winter precipitation, whereas the Plains, Upper Midwest, and parts of the Southwest rely more on summer precipitation.","ai_generated":true,"unit":"climcent-000226#insight-1","date_modified":"2026-10-23"},{"text":"Long-term trends since 1901 show an overall increase in U.S. precipitation, though this is regionally split; increases occurred in the Northeast, Midwest, Great Plains, Ohio Valley, and South, while decreases were seen in the West and Southwest.","ai_generated":true,"unit":"climcent-000226#insight-2","date_modified":"2026-10-23"},{"text":"A comparison of normal periods from 1981-2010 and 1991-2020 indicates that annual average precipitation has increased east of the Rockies and decreased to the west, particularly in the Southwestern U.S.","ai_generated":true,"unit":"climcent-000226#insight-3","date_modified":"2026-10-23"},{"text":"Fourteen U.S. states receive at least one-third of their annual precipitation in a single season, with nine states receiving 40% or more in one season, increasing their vulnerability to climate-driven precipitation shifts. For example, California receives 52% of its precipitation in winter, while North Dakota receives 45% in summer.","ai_generated":true,"unit":"climcent-000226#insight-4","date_modified":"2026-10-23"},{"text":"Atmospheric moisture capacity increases by 4% for every 1°F of warming. Because the U.S. has warmed by 2.6°F since 1970, the atmosphere now holds approximately 10% more moisture on average, increasing the risk of heavy rainfall and flooding.","ai_generated":true,"unit":"climcent-000226#insight-5","date_modified":"2026-10-23"}],"climate_tags":["climate change","water-supply management","drought","flood risk"],"geography_discussed":["California","North Dakota","New Mexico","Minnesota","Florida","Oregon","Nebraska","South Dakota","Washington"],"frame_perspective":[],"analysis_type":["historical trend analysis","regional assessment","climate projection"]},{"id":"climcent-000238","url":"https://climateinsightsdirectory.org/document/climcent-000238","title":"Wildfire Smoke: Nationwide Health Risk","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-10-04","source_url":"https://www.climatecentral.org/climate-matters/wildfire-smoke-nationwide-health-risk-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document reports that the average person in the U.S. breathed more harmful wildfire smoke in 2023 than in any year since 2006, driven largely by record-shattering wildfires in Canada. It details how fine particle pollution (PM2.5) from these fires travels thousands of miles, affecting every county in the contiguous U.S. and stalling air quality improvements in 30 states. The text links these trends to a warming climate and increasing 'fire weather,' noting that human-caused climate change accounts for at least two-thirds of the rapid increase in fire weather in the western U.S.","ai_generated":true,"unit":"climcent-000238#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The average person in the United States experienced significantly higher levels of smoke-related air pollution in 2023 compared to previous years. Through August 31, 2023, exposure to fine particle pollution from smoke was approximately 66% higher than in the previous record year of 2021, and higher than any year since 2006.","ai_generated":true,"unit":"climcent-000238#insight-1","date_modified":"2026-10-23"},{"text":"Wildfire smoke is a universal air quality issue across the contiguous U.S., with every county experiencing at least 16 smoke days annually. While the West sees the highest frequency—with parts of California, Oregon, Arizona, Texas, Louisiana, and Florida averaging 90-111 days—long-range transport means that about three-quarters of smoke-linked mortality and asthma morbidity occur in other U.S. regions due to higher population density.","ai_generated":true,"unit":"climcent-000238#insight-2","date_modified":"2026-10-23"},{"text":"Increasing wildfire smoke has negatively impacted long-term air quality trends in 30 U.S. states since 2016. In 22 states, improvements in fine particle pollution have stalled, and in eight states, they have been reversed, with the most severe effects occurring in Washington, Oregon, and California.","ai_generated":true,"unit":"climcent-000238#insight-3","date_modified":"2026-10-23"},{"text":"Climate change is driving an increase in 'fire weather'—hot, dry, and windy conditions. In the western U.S., human-caused climate change is responsible for at least two-thirds of the rapid increase in fire weather in recent decades. Specifically, Texas, New Mexico, and Southern California have seen about two additional months of fire weather compared to 1973.","ai_generated":true,"unit":"climcent-000238#insight-4","date_modified":"2026-10-23"}],"climate_tags":["air quality","climate change"],"geography_discussed":["Canada","Greece","Europe","Hawaii","California","Oregon","Arizona","Texas","Louisiana","Florida","Washington","New Mexico"],"frame_perspective":[],"analysis_type":["fact sheet"]},{"id":"climcent-000178","url":"https://climateinsightsdirectory.org/document/climcent-000178","title":"Rising Seas, Flooding Coasts","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-09-27","source_url":"https://www.climatecentral.org/climate-matters/rising-seas-flooding-coasts-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document reports that the annual frequency of high tide flooding in the U.S. has more than doubled since 2000 and is projected to more than triple again by 2050. This trend is driven by global sea level rise caused by ocean warming and melting ice, with U.S. coasts expected to see as much rise in the next 30 years (10-12 inches) as they did in the last 100 years. High tide flooding, which occurs when water levels exceed 1-2 feet above the daily average high tide, disrupts infrastructure, ecosystems, and supply chains, particularly affecting the Northeast, Southeast, and Gulf Coasts.","ai_generated":true,"unit":"climcent-000178#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The annual frequency of high tide flooding in the United States has more than doubled since 2000 and is projected to more than triple again by 2050, reaching a national average of 45 to 85 flood days per year.","ai_generated":true,"unit":"climcent-000178#insight-1","date_modified":"2026-10-23"},{"text":"Sea level rise is accelerating along U.S. coasts, with an expected average rise of 10-12 inches over the next 30 years, which is equivalent to the rise seen over the previous 100 years.","ai_generated":true,"unit":"climcent-000178#insight-2","date_modified":"2026-10-23"},{"text":"High tide flooding, also known as nuisance or sunny day flooding, occurs when water levels reach 1-2 feet above the daily average high tide and can impact freshwater supplies, coastal infrastructure, and ecosystems.","ai_generated":true,"unit":"climcent-000178#insight-3","date_modified":"2026-10-23"},{"text":"The Northeast, Southeast, and Gulf Coasts have seen the largest historical increases in high tide flooding, with record-breaking flood days recently recorded in Florida, Puerto Rico, Virginia, Georgia, and Washington state.","ai_generated":true,"unit":"climcent-000178#insight-4","date_modified":"2026-10-23"},{"text":"Global sea level rise is primarily caused by human activities, specifically carbon pollution which leads to ocean warming (causing seawater expansion) and the melting of ice sheets and glaciers; global mean sea level rose 7.8 inches between 1901 and 2018.","ai_generated":true,"unit":"climcent-000178#insight-5","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","carbon dioxide emissions","glacial melting","coastal management","coastal ecosystem","El Niño southern oscillation"],"geography_discussed":["Florida","Puerto Rico","Virginia","Georgia","Washington"],"frame_perspective":[],"analysis_type":["trend analysis","projection"]},{"id":"climcent-000066","url":"https://climateinsightsdirectory.org/document/climcent-000066","title":"Hot Summer Days Linked to Climate Change in U.S. Cities","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2023-09-13","source_url":"https://www.climatecentral.org/climate-matters/us-summer-2023-in-review","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis using the Climate Shift Index (CSI) reveals that 97% of the U.S. population experienced at least one summer day in 2023 with temperatures made at least twice as likely by climate change. The strongest impacts were concentrated in the U.S. South, Southwest, and Southeast, with San Juan, Puerto Rico, and Victoria, Texas, among the most affected cities. The period was also characterized by record-breaking heat streaks and a record number of billion-dollar weather disasters in the U.S.","ai_generated":true,"unit":"climcent-000066#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"In the United States, 326 million people, representing 97% of the population, experienced at least one summer day between June 1 and August 31, 2023, where temperatures were made at least 2x more likely due to human-caused climate change.","ai_generated":true,"unit":"climcent-000066#insight-1","date_modified":"2026-10-23"},{"text":"The U.S. South, Southwest, and Southeast were the regions most influenced by climate change; in the South, the average city had 49 summer days (53% of the season) with heat made at least 2x more likely by climate change.","ai_generated":true,"unit":"climcent-000066#insight-2","date_modified":"2026-10-23"},{"text":"Of the 244 U.S. cities analyzed, 45 had at least half of all summer days with heat made at least 2x more likely by climate change, with the highest concentrations in Texas (17 cities) and Florida (11 cities). San Juan, Puerto Rico, was the most affected, with 90 days (98% of the summer) at this level.","ai_generated":true,"unit":"climcent-000066#insight-3","date_modified":"2026-10-23"},{"text":"Several U.S. cities experienced record-breaking heat streaks of 100°F or higher, including Tucson, Arizona (53 consecutive days), Bryan, Texas (50 consecutive days), and Austin, Texas (45 consecutive days). Phoenix, Arizona, also set records for streaks at or above 105°F (56 days) and 110°F (31 days).","ai_generated":true,"unit":"climcent-000066#insight-4","date_modified":"2026-10-23"},{"text":"The first eight months of 2023 saw a record 23 billion-dollar weather and climate disasters in the U.S., totaling $57.6 billion in estimated losses, surpassing the previous record of 22 set in 2020.","ai_generated":true,"unit":"climcent-000066#insight-5","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","extreme heat","heat wave","carbon dioxide emissions","wildfire","hurricane","coral bleaching"],"geography_discussed":["Puerto Rico","Canada","Caribbean"],"frame_perspective":[],"analysis_type":["attribution analysis"]},{"id":"climcent-000139","url":"https://climateinsightsdirectory.org/document/climcent-000139","title":"Global review June-August 2023","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"policy brief","language":"en","date_published":"2023-09-07","source_url":"https://www.climatecentral.org/climate-matters/global-review-June-August-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis using the Climate Shift Index (CSI) shows that human-caused climate change significantly increased the likelihood of record-shattering heat during the June-August 2023 period. Approximately 48% of the global population experienced at least 30 days where heat was made at least three times more likely by climate change (CSI level 3 or higher). The report highlights a stark inequity in exposure, noting that countries with the lowest historical emissions experienced three to four times more days of very strong climate fingerprints than G20 countries.","ai_generated":true,"unit":"climcent-000139#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The Northern Hemisphere summer of 2023 was the hottest on record, with July 2023 specifically being the hottest month ever recorded globally.","ai_generated":true,"unit":"climcent-000139#insight-1","date_modified":"2026-10-23"},{"text":"A significant portion of the global population was exposed to extreme heat driven by climate change: 48% (over 3.8 billion people) experienced at least 30 days with a Climate Shift Index (CSI) level 3 or higher, meaning the heat was at least three times more likely due to human-caused climate change.","ai_generated":true,"unit":"climcent-000139#insight-2","date_modified":"2026-10-23"},{"text":"Daily exposure to strong climate-driven heat (CSI level 3+) affected between 1.5 billion and 4.2 billion people every day from June to August 2023, peaking on August 16, 2023.","ai_generated":true,"unit":"climcent-000139#insight-3","date_modified":"2026-10-23"},{"text":"There is a disproportionate burden of climate-driven heat on low-emitting nations; countries with the lowest historical emissions experienced three to four times more days at CSI level 3 or higher than G20 countries.","ai_generated":true,"unit":"climcent-000139#insight-4","date_modified":"2026-10-23"},{"text":"Persistent extreme heat (CSI level 3 or higher for at least half the period) was observed in 79 countries, including a high concentration of U.N.-designated least developed countries and small island developing states (62% of these countries), despite these groups accounting for only about 7% of cumulative historical greenhouse gas emissions.","ai_generated":true,"unit":"climcent-000139#insight-5","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","extreme heat","heat wave","greenhouse gas emissions","climate justice","coral bleaching","tropical cyclone","wildfire"],"geography_discussed":["North America","Europe","Africa","Florida","Caribbean","Central America","Arabian Peninsula","India","Malay Archipelago","Amazon basin","Andes","Mexico","United States","Canada","Greenland","Saudi Arabia","Indonesia","Brazil","Spain","Italy"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"id":"climcent-000032","url":"https://climateinsightsdirectory.org/document/climcent-000032","title":"2023 Fall Package","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-08-30","source_url":"https://www.climatecentral.org/climate-matters/2023-fall-package","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis of 241 U.S. locations from 1970 to 2022 shows that fall temperatures have increased by an average of 2.4°F in 232 cities, with the most intense warming occurring in the Southwest. This trend is characterized by an increase in above-normal fall days, which prolongs risks related to heat-related illness, wildfires, and allergies, while increasing energy demand for cooling.","ai_generated":true,"unit":"climcent-000032#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Since 1970, fall temperatures have increased by an average of 2.7°F across the contiguous U.S., with the most significant warming occurring in the Southwest, Northern Rockies, and Plains regions. Specific areas experiencing at least 3.5°F of warming include all of Colorado, most of Wyoming, and parts of Arizona, New Mexico, Utah, southern California, northern Minnesota, northern Maine, and eastern Massachusetts.","ai_generated":true,"unit":"climcent-000032#insight-1","date_modified":"2026-10-23"},{"text":"In 232 of the 241 analyzed U.S. locations, average fall temperatures have risen by an average of 2.4°F since 1970. The five locations with the highest fall warming were Reno, Nev. (7.7°F), Las Vegas, Nev. (6.1°F), El Paso, Texas (5.7°F), Tucson, Ariz. (5.3°F), and Phoenix, Ariz (5.1°F).","ai_generated":true,"unit":"climcent-000032#insight-2","date_modified":"2026-10-23"},{"text":"The frequency of above-normal fall days has increased in 231 analyzed locations since 1970. Currently, 36% of analyzed locations (86) experience at least two more weeks of above-normal fall days than they did in 1970, and 11 locations in Nevada, Texas, Arizona, New Mexico, Florida, and California now experience 30 or more fall days above normal.","ai_generated":true,"unit":"climcent-000032#insight-3","date_modified":"2026-10-23"},{"text":"Fall warming extends various risks, including prolonged heat-related illness for vulnerable populations, longer and more intense wildfire seasons (particularly in the western U.S.), and extended allergy seasons. It also increases energy costs and heat-trapping emissions due to higher cooling demand, allows disease-carrying insects like mosquitoes to persist longer, and can disrupt bird migrations, hibernation, and fruit ripening.","ai_generated":true,"unit":"climcent-000032#insight-4","date_modified":"2026-10-23"}],"climate_tags":["climate change","extreme heat","wildfire","urban heat island","biodiversity","agriculture"],"geography_discussed":["Southwest","Northern Rockies","Plains","Arizona","New Mexico","Utah","Colorado","Wyoming","California","Minnesota","Maine","Massachusetts","Reno","Las Vegas","El Paso","Tucson","Phoenix","Nevada","Texas","Florida"],"frame_perspective":[],"analysis_type":["trend analysis"]},{"id":"climcent-000077","url":"https://climateinsightsdirectory.org/document/climcent-000077","title":"Record Ocean Heat Impacts: From Hurricanes to Corals","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-08-23","source_url":"https://www.climatecentral.org/climate-matters/record-ocean-heat-impacts-from-hurricanes-to-corals","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Global sea surface temperatures reached unprecedented levels from April to July 2023, driven primarily by human-caused carbon pollution and El Niño. This warming increases the likelihood of rapid intensification in hurricanes and causes severe heat stress for coral reefs, particularly around Florida and the Caribbean. The document highlights that 48% of the global ocean experienced marine heat waves in July 2023, and warns that 70–90% of tropical coral reefs could disappear even if warming is limited to 1.5°C.","ai_generated":true,"unit":"climcent-000077#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Global sea surface temperatures in 2023 reached record levels, with July 2023 being the hottest month since 1850. As of the report, 48% of the global ocean was experiencing marine heat waves, the largest area recorded for any month since 1991.","ai_generated":true,"unit":"climcent-000077#insight-1","date_modified":"2026-10-23"},{"text":"Ocean warming increases the frequency of rapid intensification in tropical cyclones, defined as a wind speed increase of at least 30 kt (about 35 mph) within 24 hours. This phenomenon is linked to high economic losses; 73% of the 56 tropical cyclones causing at least $1 billion in U.S. damage between 1980 and 2021 underwent rapid intensification.","ai_generated":true,"unit":"climcent-000077#insight-2","date_modified":"2026-10-23"},{"text":"Coral reefs in Southeast Florida and the Florida Keys exceeded Bleaching Alert Level 2 in the summer of 2023, indicating that severe bleaching and significant mortality are likely. These thresholds were reached earlier and by a wider margin than any year since 1985.","ai_generated":true,"unit":"climcent-000077#insight-3","date_modified":"2026-10-23"},{"text":"The primary driver of long-term ocean warming is human-caused carbon pollution, supplemented by the arrival of El Niño in June 2023. Other contributing factors include increased solar activity, a 15% increase in stratospheric water vapor from the January 2022 Hunga Tonga–Hunga Haʻapai eruption, and reduced sulfur aerosols from shipping.","ai_generated":true,"unit":"climcent-000077#insight-4","date_modified":"2026-10-23"},{"text":"IPCC reports indicate that 70–90% of existing warm water tropical coral reefs will disappear even if global warming is restricted to 1.5°C.","ai_generated":true,"unit":"climcent-000077#insight-5","date_modified":"2026-10-23"}],"climate_tags":["sea surface temperature","marine heatwave","tropical cyclone","hurricane","coral bleaching","carbon dioxide emissions","El Niño southern oscillation","greenhouse gas"],"geography_discussed":["United States","Florida","Caribbean","North Atlantic Ocean"],"frame_perspective":[],"analysis_type":["impact assessment","trend analysis"]},{"id":"climcent-000243","url":"https://climateinsightsdirectory.org/document/climcent-000243","title":"Climate Shift Index Global July 2023","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2023-08-02","source_url":"https://www.climatecentral.org/climate-matters/climate-shift-index-global-july-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis of July 2023, likely Earth's record hottest month, shows that human-caused climate change significantly increased the likelihood of extreme heat globally. Using the Climate Shift Index (CSI), the report finds that 6.5 billion people experienced at least one day where heat was at least three times more likely due to climate change. Particularly strong influences were noted in the Caribbean, Mexico, the southern U.S., and parts of Africa and Asia. In the U.S., 73% of the population experienced at least one day at CSI level 3 or higher, with several cities in Florida, New Mexico, and Arizona showing the strongest climate fingerprints.","ai_generated":true,"unit":"climcent-000243#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"July 2023 is identified as very likely the record hottest month for Earth, with global temperatures continuously exceeding all prior recorded observations from July 3 through July 31. The global heat peaked on July 6 at 62.74° F (17.08°C), which was 0.50°F (0.28°C) higher than the previous record set in August 2016.","ai_generated":true,"unit":"climcent-000243#insight-1","date_modified":"2026-10-23"},{"text":"A significant portion of the global population was exposed to heat intensified by climate change in July 2023. Approximately 6.5 billion people (81% of the global population) experienced at least one day at CSI level 3 or higher, and 50% of the population experienced at least 10 such days. On every day of the month, at least 2 billion people felt a very strong influence of climate change.","ai_generated":true,"unit":"climcent-000243#insight-2","date_modified":"2026-10-23"},{"text":"The strongest climate fingerprints (CSI levels 4 and 5) were observed in several global regions, including north Africa (specifically Algeria), the Gulf of Guinea coastline, the Sahel, the Horn of Africa, the Arabian Peninsula, the Mediterranean Basin, the Malay Archipelago, the Amazon Basin, the Andes, Central America, the Caribbean, Mexico, the southern United States, northwest Canada, and the Canadian Arctic Archipelago.","ai_generated":true,"unit":"climcent-000243#insight-3","date_modified":"2026-10-23"},{"text":"In the United States, 244 million people (73% of the population) experienced at least one day in July where temperatures were at least three times more likely due to human-caused climate change. The strongest fingerprints were found in the West (Nevada and central California), the Southwest, the South (Texas, Louisiana, and Mississippi), and the Southeast (Florida).","ai_generated":true,"unit":"climcent-000243#insight-4","date_modified":"2026-10-23"},{"text":"Specific U.S. cities showed extreme climate signals; Cape Coral and Sarasota, Florida, had the highest average CSI levels at 4.6. Other cities including Tucson, Las Vegas, Mesa, Phoenix, and Henderson experienced 14-day heat events at CSI level 5, which are considered extremely unlikely without human-caused climate change.","ai_generated":true,"unit":"climcent-000243#insight-5","date_modified":"2026-10-23"},{"text":"Extreme heat in North America led to significant agricultural and livestock losses in the U.S. Southwest and Northern Mexico, affecting coffee, sugarcane, corn, and soybeans, and causing the death of hundreds of cattle.","ai_generated":true,"unit":"climcent-000243#insight-6","date_modified":"2026-10-23"},{"text":"In North America, 14 countries reached a July 2023 CSI of 5.0, with 11 of those being Caribbean small island developing states. This indicates that conditions in these areas would have been extremely unlikely without human-caused climate change.","ai_generated":true,"unit":"climcent-000243#insight-7","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","extreme heat","heat wave","carbon dioxide emissions","fossil fuel","Small Island Developing States"],"geography_discussed":["United States","Mexico","Canada","Algeria","Caribbean","Northwest Territories","Florida","Arizona","New Mexico","Cayman Islands","Puerto Rico"],"frame_perspective":[],"analysis_type":["attribution analysis"]},{"id":"climcent-000351","url":"https://climateinsightsdirectory.org/document/climcent-000351","title":"Worldwide daily fingerprints of climate change during Earth’s hottest month","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2023-08-01","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/7Ed9wRrGkX1ep5Ffr0WQaV/143a94f16b6c67931e6508671f308641/Worldwide_daily_fingerprints_of_climate_change_during_Earth_s_hottest_month__July_2023_.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The analysis finds that July 2023 was likely Earth's hottest month on record, with human-caused climate change making extreme heat significantly more likely for a vast majority of the global population. Using the Climate Shift Index (CSI), the report demonstrates that 81% of people experienced at least one day where temperatures were at least three times more likely due to climate change. The strongest signals were observed in tropical regions and small island developing states, where conditions were often five times more likely due to human influence. The report highlights specific record-breaking temperatures in Africa, Asia, Europe, and North America, emphasizing that such extremes will increase in frequency as long as fossil fuel combustion continues.","ai_generated":true,"unit":"climcent-000351#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"July 2023 is identified as likely the hottest month on record for Earth, with global daily average temperatures exceeding the previous August 2016 record from July 3 through July 31. The global average temperature peaked on July 6, 2023, at 17.08°C, which was 0.28°C higher than the previous record.","ai_generated":true,"unit":"climcent-000351#insight-1","date_modified":"2026-10-23"},{"text":"A significant majority of the global population was exposed to heat influenced by climate change in July 2023. Approximately 6.5 billion people (81% of the population) experienced at least one day with a CSI level 3 or higher, meaning human-caused climate change made those temperatures at least three times more likely. At least 2 billion people experienced this level of influence every single day of the month.","ai_generated":true,"unit":"climcent-000351#insight-2","date_modified":"2026-10-23"},{"text":"Global exposure to extreme heat peaked on July 10, 2023, when 3.5 billion people, or 43% of the global population, experienced conditions at CSI level 3 or higher.","ai_generated":true,"unit":"climcent-000351#insight-3","date_modified":"2026-10-23"},{"text":"Small island developing states and tropical regions showed the strongest climate change signals. Sixteen of the 28 countries with the highest average CSI level of 5.0 (indicating conditions at least five times more likely due to climate change) were small island developing states, including 11 in the Caribbean.","ai_generated":true,"unit":"climcent-000351#insight-4","date_modified":"2026-10-23"},{"text":"Specific regional extremes were recorded, including the hottest night ever recorded in Africa (39.6°C on July 6 in Adrar, Algeria) and the all-time highest July temperature in Europe (48.0°C on July 24 in Jerzu, Sardinia). In North America, Phoenix, Arizona, saw a record 31 consecutive days of 43.3°C or higher from June 30 to July 30.","ai_generated":true,"unit":"climcent-000351#insight-5","date_modified":"2026-10-23"},{"text":"City-level analysis identified 870 cities that had 25 or more days in July at CSI level 3 or higher. Additionally, 624 cities experienced CSI level 5 conditions during their most intense 14-day heat event of the month.","ai_generated":true,"unit":"climcent-000351#insight-6","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","extreme heat","Small Island Developing States","carbon dioxide emissions","fossil fuel","El Niño southern oscillation"],"geography_discussed":["Algeria","Tunisia","People's Republic of China","Iran","Italy","Spain","United States","Mexico","Canada","New Zealand","Australia","Peru"],"frame_perspective":[],"analysis_type":["statistical attribution","geographic analysis"]},{"id":"climcent-000326","url":"https://climateinsightsdirectory.org/document/climcent-000326","title":"After the Storm: Health risks from damp, moldy homes","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2023-08","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/6itwyGIDPgXSMlaQX53iuK/d7ee9672ce13ff8c688f9c67d7414966/FINAL_After_the_Storm_2023__EN_.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document argues that climate change is increasing the frequency and intensity of floods, which leads to damp buildings and the growth of mold. This process degrades indoor air quality and poses significant respiratory and mental health risks, particularly for vulnerable populations. It highlights that mold can grow on absorbent materials within two to three days after a flood and notes that in the U.S., up to 20% of common respiratory infections may be attributed to dampness and mold.","ai_generated":true,"unit":"climcent-000326#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Climate change is increasing the risk of damp, moldy homes by driving heavier precipitation, more intense storms, and rising sea levels, which increase vulnerability to floods.","ai_generated":true,"unit":"climcent-000326#insight-1","date_modified":"2026-10-23"},{"text":"Mold can rapidly colonize absorbent materials such as furniture, drywall, paper, and carpets within two to three days following a flood or storm.","ai_generated":true,"unit":"climcent-000326#insight-2","date_modified":"2026-10-23"},{"text":"Indoor mold and dampness are linked to a variety of health issues in the U.S., including new-onset asthma, severe illness, and potentially 20% of common respiratory infections.","ai_generated":true,"unit":"climcent-000326#insight-3","date_modified":"2026-10-23"},{"text":"Specific research, such as the 2015 Superstorm Sandy Child and Family Health Study, has connected post-storm mold exposure to increased asthma in adults and mental health distress in both children and adults.","ai_generated":true,"unit":"climcent-000326#insight-4","date_modified":"2026-10-23"},{"text":"The musty odor of mold is caused by volatile organic compounds (VOCs), which have been linked to symptoms such as nausea and headaches.","ai_generated":true,"unit":"climcent-000326#insight-5","date_modified":"2026-10-23"}],"climate_tags":["climate change","flood","sea level rise","indoor air quality","public health","tropical cyclone","greenhouse gas emissions"],"geography_discussed":["World"],"frame_perspective":[],"analysis_type":["briefing"]},{"id":"climcent-000138","url":"https://climateinsightsdirectory.org/document/climcent-000138","title":"Urban Heat Hot Spots","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"research paper","language":"en","date_published":"2023-07-26","source_url":"https://www.climatecentral.org/climate-matters/urban-heat-islands-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central analyzed 18,945 census tracts across 44 major U.S. cities, finding that 41 million people (approximately 55% of the analyzed population) live in areas where the urban heat island (UHI) effect increases temperatures by 8°F or more. The study identifies albedo, green space percentage, and population density as the primary drivers of this effect, with New York City exhibiting the highest average UHI index. The analysis categorizes cities by heat patterns—concentrated cores, diffused zones, or sprawling intensity—and highlights that structural inequities often lead to disproportionate heat exposure for people of color and low-income populations.","ai_generated":true,"unit":"climcent-000138#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Across the 44 analyzed U.S. cities, approximately 55% of the population (41 million people) reside in census tracts with a UHI index of 8°F or higher.","ai_generated":true,"unit":"climcent-000138#insight-1","date_modified":"2026-10-23"},{"text":"Nine cities have at least 1 million residents exposed to a UHI index of 8°F or higher, including New York (7.1 million), Houston (4.2 million), and Los Angeles (3.2 million).","ai_generated":true,"unit":"climcent-000138#insight-2","date_modified":"2026-10-23"},{"text":"New York City has the highest average UHI index both by area (8.6°F) and per capita (9.5°F), while Wichita has the lowest per capita average (7.2°F) and Las Vegas the lowest area-weighted average (5.8°F).","ai_generated":true,"unit":"climcent-000138#insight-3","date_modified":"2026-10-23"},{"text":"The primary factors influencing the UHI index are albedo, the percentage of green space, and population density, with albedo having the most significant effect.","ai_generated":true,"unit":"climcent-000138#insight-4","date_modified":"2026-10-23"},{"text":"Urban heat patterns vary by city: some have concentrated heat in the urban core (e.g., Indianapolis), some have diffused zones (e.g., Chicago), and others exhibit sprawling heat intensity (e.g., Detroit, New York City).","ai_generated":true,"unit":"climcent-000138#insight-5","date_modified":"2026-10-23"},{"text":"Structural inequities contribute to disproportionate heat exposure; specifically, Black and African American individuals are 40% more likely than others to live in areas with the highest projected increases in extreme temperature related mortality under 2°C of global warming.","ai_generated":true,"unit":"climcent-000138#insight-6","date_modified":"2026-10-23"},{"text":"Long-term mitigation strategies to reduce the urban heat island effect include planting street trees, installing green roofs, and using cool roofs and cool pavements.","ai_generated":true,"unit":"climcent-000138#insight-7","date_modified":"2026-10-23"}],"climate_tags":["urban heat island","extreme heat","climate justice","urban planning"],"geography_discussed":["New York City","Houston","Los Angeles","Detroit","Chicago","Miami","Seattle","Wichita","Las Vegas"],"frame_perspective":[],"analysis_type":["quantitative analysis","spatial mapping"]},{"id":"climcent-000331","url":"https://climateinsightsdirectory.org/document/climcent-000331","title":"Methodology Estimating urban heat island (UHI) index at the census tract level","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"research paper","language":"en","date_published":"2023-07-25","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/4bC5lrbb2pjRfvsjHu81zV/9774cc03062b3bb44e5fd11533cf28c8/Methodology_for_estimating_UHI_at_the_Census_tract_level.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document describes a six-step process to calculate the Urban Heat Island (UHI) index for U.S. cities by overlaying city boundaries, census tracts, and Land Cover Zone (LCZ) maps. The methodology involves calculating the percentage of various LCZ types within each tract and applying temperature parameters based on impervious cover, permeable surfaces, building height, albedo, and population density. City-wide values are then determined by summing the population in census tracts that exceed specific UHII temperature thresholds.","ai_generated":true,"unit":"climcent-000331#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The analysis targets the 50 largest U.S. cities by population, though eight specific cities—Long Beach, Oakland, Arlington, Columbus, El Paso, Ft. Worth, Mesa, and Virginia Beach—were excluded because they were not in the standard media market list, were part of another market, or were missing from the city shapefile.","ai_generated":true,"unit":"climcent-000331#insight-1","date_modified":"2026-10-23"},{"text":"The UHI index is calculated by identifying Land Cover Zone (LCZ) types within census tracts and applying temperature parameters associated with impervious cover, permeable surfaces, building height, albedo, and population density, while excluding open water from the analysis.","ai_generated":true,"unit":"climcent-000331#insight-2","date_modified":"2026-10-23"},{"text":"City-wide population values for specific UHII threshold temperatures (such as 7°F or 8°F) are derived by summing the total population of all census tracts that exceed those designated thresholds.","ai_generated":true,"unit":"climcent-000331#insight-3","date_modified":"2026-10-23"}],"climate_tags":["urban heat island"],"geography_discussed":["Long Beach","Oakland","Arlington","Columbus","El Paso","Fort Worth","Mesa","Virginia Beach"],"frame_perspective":[],"analysis_type":["methodology"]},{"id":"climcent-000024","url":"https://climateinsightsdirectory.org/document/climcent-000024","title":"Hotter Climate, Higher Cooling Demand","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2023-07-19","source_url":"https://www.climatecentral.org/climate-matters/hotter-climate-higher-cooling-demand-2023","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central reports that 97% of 240 analyzed U.S. locations saw an increase in annual cooling degree days (CDD) between 1970 and 2022, with the most significant rises in the Southwest, South, and Southeast. Projections suggest U.S. household cooling demand will increase by 71% by 2050, while global demand is expected to more than triple. The document highlights that rising demand can strain power grids, increase greenhouse gas emissions from fossil fuels and HFCs, and exacerbate urban heat islands. It also notes a disproportionate energy burden on low-income and minority households, who may delay cooling use due to cost. Proposed solutions include transitioning to renewable energy, adopting high-efficiency heat pumps, and implementing building retrofits.","ai_generated":true,"unit":"climcent-000024#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between 1970 and 2022, 232 out of 240 analyzed U.S. locations (97%) experienced an increase in annual cooling degree days (CDD), with the most pronounced increases occurring in the Southwest, South, and Southeast regions.","ai_generated":true,"unit":"climcent-000024#insight-1","date_modified":"2026-10-23"},{"text":"Future cooling demand is projected to rise significantly: U.S. household demand is expected to increase by 71% by 2050, and global cooling demand is predicted to more than triple by the same year.","ai_generated":true,"unit":"climcent-000024#insight-2","date_modified":"2026-10-23"},{"text":"Increased cooling demand creates several negative feedback loops and risks, including higher carbon emissions from fossil-fuel-based energy, the release of powerful greenhouse gases like hydrofluorocarbons (HFCs), increased strain on electricity grids, and the intensification of urban heat islands via waste heat.","ai_generated":true,"unit":"climcent-000024#insight-3","date_modified":"2026-10-23"},{"text":"Low-income, Black, and Hispanic households face disproportionate energy burdens and lack of access to cooling; for example, low-income households in Arizona may wait until outdoor temperatures are 5° to 7°F higher than high-income households before starting home cooling.","ai_generated":true,"unit":"climcent-000024#insight-4","date_modified":"2026-10-23"}],"climate_tags":["air conditioning","energy demand","greenhouse gas emissions","hydrofluorocarbon","urban heat island","energy poverty","renewable energy","heat pump","energy efficiency","electrification","climate justice"],"geography_discussed":["sub-Saharan Africa","Texas","Arizona","People's Republic of China","India"],"frame_perspective":[],"analysis_type":["trend analysis","projection"]}]}