{"query_echo":{"q":"","filters":{"analysis_type":["population exposure assessment"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'population exposure assessment' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":7,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=population+exposure+assessment","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-000333","url":"https://climateinsightsdirectory.org/document/climcent-000333","title":"People Exposed to Climate Change: December 2025-February 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-03-18","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/2ooKExIans3PBmtGPVOomg/7a083eeba40b8a3cdfdbab4e2f3a1d87/People_Exposed_to_Climate_Change__December_2025-February_2026.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Between December 2025 and February 2026, climate change significantly boosted global temperatures, with over one in six people experiencing strong climate influence daily. Nearly 228 million people faced 30 or more risky heat days added by climate change, with 81% of these individuals residing in Africa. The analysis highlights that in 45 countries, all risky heat days during this period were driven by climate change, and 124 countries saw the average person experience at least 30 days of strong climate influence (CSI level 2 or higher).","ai_generated":true,"unit":"climcent-000333#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Every day from December 1, 2025, to February 28, 2026, approximately 1.4 billion people, or 17% of the global population, experienced temperatures made at least twice as likely due to climate change (CSI level 2 or higher). Exposure peaked on February 13, 14, and 21, when over 3 billion people (about 42% of the global population) were affected.","ai_generated":true,"unit":"climcent-000333#insight-1","date_modified":"2026-10-23"},{"text":"Climate change was the sole driver of all risky heat days (temperatures above the 90th percentile of 1991-2020 observations) in 45 countries during the three-month period. On average across 174 cities that had at least one risky heat day, climate change drove 88% of those days.","ai_generated":true,"unit":"climcent-000333#insight-2","date_modified":"2026-10-23"},{"text":"Nearly 228 million people experienced 30 or more days of risky heat added by climate change. The vast majority of this population, 185 million people (81%), live in Africa. Nigeria had the highest number of exposed people, with 103.6 million (99% of its population) experiencing 30+ days of risky heat added by climate change.","ai_generated":true,"unit":"climcent-000333#insight-3","date_modified":"2026-10-23"},{"text":"In 124 countries, the average person experienced at least 30 days with temperatures strongly influenced by climate change (CSI 2 or higher). In 58 countries, this exposure lasted at least 60 days, with Palau, Réunion, and Suriname experiencing the highest levels at 85 or more days.","ai_generated":true,"unit":"climcent-000333#insight-4","date_modified":"2026-10-23"},{"text":"Urban areas showed significant vulnerability, with 276 of 960 analyzed global cities seeing the average person experience at least 30 days of strong climate influence. Among 20 global megacities, four (with a combined population over 56 million) endured 30 or more such days, including Lagos, Mexico City, Kinshasa, and Sao Paulo.","ai_generated":true,"unit":"climcent-000333#insight-5","date_modified":"2026-10-23"},{"text":"In the United States, the average person in Puerto Rico, Hawaii, Arizona, California, Nevada, and New Mexico experienced at least 30 days of unusually warm temperatures made at least twice as likely by climate change. Wyoming recorded the highest temperature anomaly, averaging 9.3°F (5.2°C) above average.","ai_generated":true,"unit":"climcent-000333#insight-6","date_modified":"2026-10-23"},{"text":"Climate-driven extremes beyond temperature included an early Australian heat wave, record warmth in Greenland's January, and wildfires in Patagonia that killed 23 people. Other impacts included severe drought in Kenya (the driest season since 1981), deadly snowfall in Japan, and fatal floods in Morocco and Sri Lanka, Indonesia, and Thailand.","ai_generated":true,"unit":"climcent-000333#insight-7","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","urban heat island","wildfire","drought","precipitation","flood"],"geography_discussed":["Africa","Oceania","United States","Nigeria","Australia","Greenland","Kenya","Japan"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"id":"climcent-000306","url":"https://climateinsightsdirectory.org/document/climcent-000306","title":"People Exposed to Climate Change: June-August 2024","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2024-09-18","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/47T3SeXG9B40B12GhHW89h/16ed6591ea594637867cc9d7acf0720a/Climate_Central_People_Exposed_to_Climate_Change__June-August_2024.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report finds that June through August 2024 was Earth's hottest season on record, with human-induced climate change significantly increasing the frequency and intensity of extreme heat worldwide. Using the Climate Shift Index (CSI), the analysis shows that one in four people experienced temperatures made at least three times more likely by climate change every day of the season. Global exposure peaked on August 13, 2024, affecting 4.1 billion people. The average person experienced 17 additional 'risky heat days' (temperatures above the 90th percentile) due to climate change. Over 2 billion people experienced 30 or more such days, with extreme concentrations in the Caribbean, Western Asia, Micronesia, Northern Africa, and Southern Europe. Additionally, 72 countries experienced their hottest June-August period since 1970, and 180 Northern Hemisphere cities faced dangerous extreme heat waves that were, on average, 21 times more likely due to human-caused warming.","ai_generated":true,"unit":"climcent-000306#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"June through August 2024 was the hottest season on record for Earth, with a peak in global exposure on August 13, 2024, when 4.1 billion people—50% of the global population—experienced unusual heat made at least three times more likely by climate change.","ai_generated":true,"unit":"climcent-000306#insight-1","date_modified":"2026-10-23"},{"text":"One in four people globally had no break from climate change-driven heat during the season, experiencing temperatures at Climate Shift Index (CSI) level 3 or higher every day from June 1 to August 31, 2024.","ai_generated":true,"unit":"climcent-000306#insight-2","date_modified":"2026-10-23"},{"text":"Human-induced climate change added an average of 17 risky heat days per person during the three-month period. Risky heat days are defined as temperatures hotter than 90% of local temperatures recorded from 1991-2020.","ai_generated":true,"unit":"climcent-000306#insight-3","date_modified":"2026-10-23"},{"text":"Over 2 billion people (26% of the global population) experienced 30 or more risky heat days made at least three times more likely by climate change. This impact was most severe in the Caribbean (99.7% of the population) and in Western Asia (90%), Micronesia (92%), Northern Africa (76%), and Southern Europe (73%).","ai_generated":true,"unit":"climcent-000306#insight-4","date_modified":"2026-10-23"},{"text":"Seventy-two countries, representing more than 2.3 billion people, had their hottest June-August period since at least 1970. In these countries, the average person experienced a very strong climate change influence (CSI level 3 or higher) on 34 of the 92 days.","ai_generated":true,"unit":"climcent-000306#insight-5","date_modified":"2026-10-23"},{"text":"In the Northern Hemisphere, 180 cities experienced at least one dangerous extreme heat wave (five or more consecutive days above the 99th percentile of 1991-2020 temperatures). Such events are, on average, 21 times more likely today due to human-caused climate change.","ai_generated":true,"unit":"climcent-000306#insight-6","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","fossil fuel","wildfire","flood","drought","hurricane"],"geography_discussed":["Caribbean","West Asia","Micronesia","North Africa","United States","Mexico","Brazil","Ethiopia","India"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"id":"climcent-000008","url":"https://climateinsightsdirectory.org/document/climcent-000008","title":"Urban Heat Hot Spots in 65 Cities","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"research paper","language":"en","date_published":"2024-07-09","source_url":"https://www.climatecentral.org/climate-matters/urban-heat-islands-2024","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate Central analyzed the urban heat island (UHI) index across 65 major U.S. cities, finding that 68% of the 50 million residents in these cities live in areas where the built environment increases temperatures by 8°F or more. The study identifies albedo, green space, and population density as the primary drivers of this effect. It also highlights a link between historical redlining and current heat disparities, noting that in 84% of 179 analyzed cities, historically redlined areas experience hotter summers than non-redlined areas.","ai_generated":true,"unit":"climcent-000008#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Across 65 major U.S. cities, approximately 33.8 million people—representing 68% of the 50 million residents analyzed—live in census block groups with an urban heat island (UHI) index of 8°F or higher.","ai_generated":true,"unit":"climcent-000008#insight-1","date_modified":"2026-10-23"},{"text":"The per capita average UHI index varies by city, with New York City recording the highest at 9.7°F and Phoenix the lowest among the group at 7.4°F.","ai_generated":true,"unit":"climcent-000008#insight-2","date_modified":"2026-10-23"},{"text":"Six cities have at least 1 million people exposed to a UHI index of 8°F or higher: New York, Los Angeles, Houston, Chicago, San Antonio, and Dallas.","ai_generated":true,"unit":"climcent-000008#insight-3","date_modified":"2026-10-23"},{"text":"The three most significant factors influencing the UHI index are albedo (the reflection of solar radiation), the percentage of green space, and population density.","ai_generated":true,"unit":"climcent-000008#insight-4","date_modified":"2026-10-23"},{"text":"Urban heat is strongly linked to historical racial discrimination in housing; in 150 of 179 U.S. cities (84%), historically redlined Grade D areas experienced summer temperatures 6.5°F hotter on average between 2013 and 2023 than Grade A areas.","ai_generated":true,"unit":"climcent-000008#insight-5","date_modified":"2026-10-23"},{"text":"The highest disparities in summer heat due to redlining were found in Boston (14.3°F), Bergen County (13.8°F), Portland (13.3°F), and Oakland (12.6°F).","ai_generated":true,"unit":"climcent-000008#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, using cool roofs with high albedo materials, and implementing cool pavements.","ai_generated":true,"unit":"climcent-000008#insight-7","date_modified":"2026-10-23"}],"climate_tags":["urban heat island","built environment","extreme heat","climate justice"],"geography_discussed":["New York City","Phoenix","San Francisco","Newark","Chicago","Cincinnati","Houston","Boston","Bergen County","Portland","Oakland"],"frame_perspective":[],"analysis_type":["spatial analysis","population exposure assessment","socio-economic correlation"]},{"id":"climcent-000334","url":"https://climateinsightsdirectory.org/document/climcent-000334","title":"People Exposed to Climate Change: March-May 2024","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2024-06-06","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/32HtF7Vktq49uYi9QSbdaf/2123af08fa0de32850e90b2c06e71614/People_Exposed_to_Climate_Change__March-May_2024.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Between March and May 2024, global temperature records were broken for three consecutive months. Using the Climate Shift Index (CSI), the analysis found that approximately one in four people worldwide experienced temperatures at least three times more likely due to climate change (CSI level 3+) daily. Exposure peaked on April 6, 2024, with 2.7 billion people affected. The most severe impacts were concentrated in Africa, Southeast Asia, Central America, and South America, with 44% of Africa's population experiencing the most extreme attributable heat (CSI level 5 for 60+ days). The report also highlights a strong regional contrast in the U.S., where coastal areas and islands showed higher CSI signals despite lower temperature anomalies compared to the Upper Midwest.","ai_generated":true,"unit":"climcent-000334#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Global temperature records were broken in March, April, and May 2024, with May marking the 12th consecutive month of record-breaking global temperatures.","ai_generated":true,"unit":"climcent-000334#insight-1","date_modified":"2026-10-23"},{"text":"On average, one in four people globally experienced temperatures with a very strong influence of climate change (CSI level 3 or higher) every day from March 1 to May 31, 2024, peaking at 2.7 billion people on April 6, 2024.","ai_generated":true,"unit":"climcent-000334#insight-2","date_modified":"2026-10-23"},{"text":"Extreme climate-change-driven heat was most prevalent in Africa and South America; 44% of the African population and 32% of the South American population experienced at least 60 days at the maximum CSI level 5.","ai_generated":true,"unit":"climcent-000334#insight-3","date_modified":"2026-10-23"},{"text":"In 58 countries, the average person experienced a very strong climate change influence (CSI level 3+) on at least two-thirds of the days during the three-month period, primarily in Southeast Asia, Central and South America, and various regions of Africa.","ai_generated":true,"unit":"climcent-000334#insight-4","date_modified":"2026-10-23"},{"text":"Six cities experienced a very strong influence of climate change on 90 or more days (at least 98% of the season): Quito, Makassar, Guatemala City, Caracas, Kigali, and Monrovia.","ai_generated":true,"unit":"climcent-000334#insight-5","date_modified":"2026-10-23"},{"text":"Among 48 global megacities, 40 experienced at least one day of CSI level 3+ heat, and 10 megacities—including Lagos, Kinshasa, and Mexico City—endured such heat for at least half the season.","ai_generated":true,"unit":"climcent-000334#insight-6","date_modified":"2026-10-23"},{"text":"In the United States, the strongest CSI signals occurred in coastal states like Florida and islands like Puerto Rico and Hawaii, whereas states with the highest temperature anomalies (Michigan, Ohio, and West Virginia) had very few days of CSI level 3+ influence due to higher seasonal temperature variance.","ai_generated":true,"unit":"climcent-000334#insight-7","date_modified":"2026-10-23"},{"text":"Climate change contributed to a variety of extreme weather events beyond heat, including severe flooding in Brazil's Rio Grande do Sul state, drought in Zambia, Zimbabwe, and Malawi, and record-breaking heat in Mali that killed at least 100 people.","ai_generated":true,"unit":"climcent-000334#insight-8","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","fossil fuel","greenhouse gas","El Niño southern oscillation","flood","drought","urban heat island","wildfire"],"geography_discussed":["Africa","South America","Southeast Asia","Central America","Europe","Oceania","United States","Brazil","Mali","Zambia","Zimbabwe","Malawi","Puerto Rico","Hawaii","Florida"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"id":"climcent-000339","url":"https://climateinsightsdirectory.org/document/climcent-000339","title":"Seasonal Attribution Report","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2024-03-07","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/41t4i0s9ZxlPEYivQpX9cV/2b7ae977cd5dd0f4abef2b4a062fb179/Report_-_People_Exposed_to_Climate_Change__Dec_2023_-_Feb_2024.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Between December 2023 and February 2024, carbon pollution drove abnormal warmth for approximately 80% of the global population. Roughly 4.8 billion people experienced at least one day of temperatures that would be 'virtually impossible' without climate change. The report highlights extreme temperature anomalies in the U.S. upper Midwest and Canada, as well as high Climate Shift Index (CSI) levels in tropical regions of Southeast Asia, Sub-Saharan Africa, and the Caribbean. It also documents associated extreme weather events, including record-breaking heat in Australia and deadly floods in the Democratic Republic of the Congo.","ai_generated":true,"unit":"climcent-000339#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Approximately 6.7 billion people, or 80% of the global population, were exposed to unusual warmth linked to climate change between December 2023 and February 2024. Of these, 4.8 billion people (about 59%) experienced at least one day of temperatures that would be 'virtually impossible' without carbon pollution.","ai_generated":true,"unit":"climcent-000339#insight-1","date_modified":"2026-10-23"},{"text":"For 1.7 billion people, daily temperatures during the period reached level 5 on the Climate Shift Index (CSI) at least 31 times, meaning abnormal warmth was made at least five times more likely by climate change for a month or more.","ai_generated":true,"unit":"climcent-000339#insight-2","date_modified":"2026-10-23"},{"text":"The most significant temperature departures from average winter temperatures among 678 analyzed global cities occurred in Minneapolis, where average temperatures were more than 5.5 degrees C above normal.","ai_generated":true,"unit":"climcent-000339#insight-3","date_modified":"2026-10-23"},{"text":"Tropical regions showed the strongest fingerprints of climate change; in 36 countries across Southeast Asia, Sub-Saharan Africa, and the Caribbean, 579 million people experienced unusual warmth (CSI level 5 or higher) on 60 or more days.","ai_generated":true,"unit":"climcent-000339#insight-4","date_modified":"2026-10-23"},{"text":"Specific high-exposure countries included Indonesia (85 days at CSI 5 or higher), Malaysia (84 days), and Rwanda (79 days). In Europe, countries such as Slovakia, Switzerland, and Bosnia and Herzegovina also saw significant warming, with average temperatures roughly 3 degrees C higher than normal for the winter.","ai_generated":true,"unit":"climcent-000339#insight-5","date_modified":"2026-10-23"},{"text":"Climate-driven extreme weather during this period included record-breaking heat in Australia (reaching 46°C and 50°C in Western Australia), wildfires in Chile and Colombia that killed 131 people, and the worst floods in decades in the Democratic Republic of the Congo, which killed over 300 people.","ai_generated":true,"unit":"climcent-000339#insight-6","date_modified":"2026-10-23"},{"text":"In the United States, 71 million people were exposed to at least one day of warmth reaching CSI level 5, and 15 states plus Puerto Rico experienced at least ten days of unusually warm weather made at least twice as likely by climate change.","ai_generated":true,"unit":"climcent-000339#insight-7","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide emissions","El Niño southern oscillation","heat wave","flood","wildfire","drought","extreme rainfall"],"geography_discussed":["Canada","United States","Germany","Pakistan","Australia","Chile","Colombia","Mexico","Spain","Nigeria","Kenya","Democratic Republic of the Congo","Tanzania","Japan","Philippines","United Kingdom","People's Republic of China","Sweden","Indonesia","Malaysia","Rwanda","Burundi","Ethiopia","Slovakia","Switzerland","Austria","Poland","Minneapolis","Puerto Rico"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"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-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"]}]}