{"query_echo":{"q":"","filters":{"analysis_type":["attribution"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'attribution' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":8,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=attribution","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-000163","url":"https://climateinsightsdirectory.org/document/climcent-000163","title":"Climate Change Raises Rates of U.S. Emergency Room Visits For Heat Illness","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-08","source_url":"https://www.climatecentral.org/climate-briefings/august-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Climate change accounted for 27% of the rate of heat-related emergency room visits in the U.S. during 2018-2025. August 2026 was the warmest August on record globally, with record warmth affecting 13.2% of global land and ocean areas. In the U.S., Summer 2026 was the warmest on record for the contiguous region, and August 2026 was the warmest August for average, maximum, and minimum temperatures since 1895. Drought affected at least 81% of the contiguous U.S. as of September 8, 2026, and nearly 8.3 million acres burned year-to-date, driven by increased 'fire weather' days. Attribution analysis using the Climate Shift Index (CSI) indicates human-caused climate change drove summertime warming trends in 91% of analyzed U.S. cities. Additionally, a strong El Niño event is projected to peak around February 2027, with global temperature anomalies potentially reaching 1.7C above pre-industrial levels.","ai_generated":true,"unit":"climcent-000163#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Climate change was responsible for 27% of the rate of heat-related emergency room visits in the United States between 2018 and 2025.","ai_generated":true,"unit":"climcent-000163#insight-1","date_modified":"2026-10-23"},{"text":"August 2026 set a global record as the warmest August on record for combined land and ocean temperatures, with 13.2% of global areas experiencing record warmth.","ai_generated":true,"unit":"climcent-000163#insight-2","date_modified":"2026-10-23"},{"text":"The contiguous U.S. experienced its warmest summer on record in 2026, with August 2026 being the warmest August for average, maximum, and minimum temperatures since records began in 1895.","ai_generated":true,"unit":"climcent-000163#insight-3","date_modified":"2026-10-23"},{"text":"Severe drought conditions affected at least 81% of the contiguous U.S. by September 8, 2026, with over 58% in at least moderate drought and 12% in extreme or exceptional drought.","ai_generated":true,"unit":"climcent-000163#insight-4","date_modified":"2026-10-23"},{"text":"U.S. wildfire activity reached a year-to-date record of nearly 8.3 million burned acres by the end of August 2026, exacerbated by an increase in 'fire weather' days since 1973.","ai_generated":true,"unit":"climcent-000163#insight-5","date_modified":"2026-10-23"},{"text":"Human-caused climate change is identified as a key driver of summertime warming trends in 91% of analyzed U.S. cities, with some locations like San Juan, Puerto Rico, recording exceptional conditions (CSI level 5) for the entire month of August.","ai_generated":true,"unit":"climcent-000163#insight-6","date_modified":"2026-10-23"},{"text":"A very strong El Niño event is projected for winter 2026-2027, with global temperature anomalies expected to peak around February 2027 at approximately 1.7C above the 1850-1900 pre-industrial baseline.","ai_generated":true,"unit":"climcent-000163#insight-7","date_modified":"2026-10-23"}],"climate_tags":["sea surface temperature","carbon dioxide","drought","wildfire","extreme event attribution","El Niño southern oscillation"],"geography_discussed":["Africa","North America","Europe","Arctic","Hawaii","Alaska","Colorado","New Mexico","Utah","California","Nevada","Texas","Indiana","Ohio","Oregon","Washington","Puerto Rico","San Juan"],"frame_perspective":[],"analysis_type":["observational","attribution","predictive"]},{"id":"climcent-000197","url":"https://climateinsightsdirectory.org/document/climcent-000197","title":"Monthly Attribution Overview – June 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-07-02","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-june-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In June 2026, the United States experienced slightly above-average temperatures, with an average anomaly of 0.7°F across 192 analyzed cities. The Southwest was the warmest region, with temperatures more than 2.9°F above normal, and Flagstaff, Arizona, recorded the most unusual warmth at 4.0°F above normal. Long-term trends show that 189 of the 192 cities have warmed since 1970, with Reno, Nevada, seeing the greatest increase of 10.6°F. Climate attribution analysis using the Climate Shift Index (CSI) indicates that San Juan, Puerto Rico, had 30 days where temperatures were at least two times more likely due to climate change.","ai_generated":true,"unit":"climcent-000197#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The United States saw slightly above-average temperatures in June 2026, with an average anomaly of 0.7°F across 192 cities. While the central and eastern U.S. had below-average temperatures, above-average conditions were more common in the western U.S. and parts of the Northeast and Southeast.","ai_generated":true,"unit":"climcent-000197#insight-1","date_modified":"2026-10-23"},{"text":"The Southwest was the warmest U.S. Climate Region in June 2026, with average temperatures exceeding the norm by more than 2.9°F. Flagstaff, Arizona, was the most unusually warm city, recording a temperature 4.0°F above usual.","ai_generated":true,"unit":"climcent-000197#insight-2","date_modified":"2026-10-23"},{"text":"Long-term warming trends since 1970 are evident in 189 of the 192 analyzed cities. Reno, Nevada, showed the most significant increase, with average June temperatures rising by 10.6°F compared to 1970.","ai_generated":true,"unit":"climcent-000197#insight-3","date_modified":"2026-10-23"},{"text":"Climate attribution analysis using the Climate Shift Index (CSI) shows that San Juan, Puerto Rico, had 30 days in June 2026 where temperatures were at least two times more likely because of climate change. On average, cities in the Southwest had the highest number of days (14) with a CSI of 2 or above.","ai_generated":true,"unit":"climcent-000197#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution"],"geography_discussed":["Southwest","West","Northwest","Northeastern United States","South","Southeast","Flagstaff","Reno","San Juan"],"frame_perspective":[],"analysis_type":["attribution"]},{"id":"climcent-000074","url":"https://climateinsightsdirectory.org/document/climcent-000074","title":"Monthly Climate Reports | National Climate Report | May 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-05","source_url":"https://www.climatecentral.org/climate-briefings/may-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The May 2026 report highlights that the month was the second-warmest on record globally, with carbon dioxide levels reaching a new monthly peak of 432.3 ppm. In the United States, spring 2026 was the second-warmest on record for the contiguous U.S., while 77% of the region experienced abnormally dry or drought conditions as of early June. The report also notes a developing potentially very strong El Niño and record-low snowpack in several western states.","ai_generated":true,"unit":"climcent-000074#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"May 2026 was the second-warmest month on record globally for combined land and ocean temperatures, with the Northern Hemisphere ranking fourth-warmest and the Southern Hemisphere second-warmest.","ai_generated":true,"unit":"climcent-000074#insight-1","date_modified":"2026-10-23"},{"text":"Atmospheric carbon dioxide concentrations reached a new monthly record of 432.3 parts per million at Mauna Loa, Hawaii, in May 2026, an increase of approximately 1.8 ppm over the previous year.","ai_generated":true,"unit":"climcent-000074#insight-2","date_modified":"2026-10-23"},{"text":"The contiguous United States experienced its second-warmest spring on record in 2026, with Arizona, Colorado, New Mexico, and Texas each recording their warmest spring ever.","ai_generated":true,"unit":"climcent-000074#insight-3","date_modified":"2026-10-23"},{"text":"Severe drought conditions affected at least 77% of the contiguous U.S. by June 2, 2026, with record-low maximum snowpack observed in Colorado, New Mexico, Utah, and Wyoming.","ai_generated":true,"unit":"climcent-000074#insight-4","date_modified":"2026-10-23"},{"text":"Hawaii experienced its wettest spring on record in 2026, receiving 34.42 inches of precipitation, which was 215.9% of the normal amount.","ai_generated":true,"unit":"climcent-000074#insight-5","date_modified":"2026-10-23"},{"text":"Climate Central's Climate Shift Index (CSI) indicates that human-caused climate change drove summertime warming trends in 91% of analyzed U.S. cities, with exceptional warmth (CSI 5) noted in San Juan, Puerto Rico and Sarasota, Florida in May.","ai_generated":true,"unit":"climcent-000074#insight-6","date_modified":"2026-10-23"},{"text":"Predictions from the North American Multi-Model Ensemble (NMME) suggest global temperatures could approach 1.9°C above pre-industrial levels by late 2026 or early 2027, driven by a potentially very strong El Niño.","ai_generated":true,"unit":"climcent-000074#insight-7","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide","precipitation","drought","extreme event attribution"],"geography_discussed":["Hawaii","Alaska","Arizona","Colorado","New Mexico","Texas","Florida","Puerto Rico","Mexico"],"frame_perspective":[],"analysis_type":["observational","predictive","attribution"]},{"id":"climcent-000061","url":"https://climateinsightsdirectory.org/document/climcent-000061","title":"Climate Central’s Monthly Briefing Highlights from January 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-01","source_url":"https://www.climatecentral.org/climate-briefings/january-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"January 2026 was the fifth-warmest January on record globally, characterized by significant temperature anomalies in the U.S. West and record-low snowpacks in several states. The document highlights the transition of NOAA to the Relative Oceanic Niño Index (RONI) to better account for climate change in ENSO tracking. Attribution analysis using the Climate Shift Index (CSI) indicates that extreme warmth in the northern U.S. and specific cities like San Juan and Honolulu was strongly driven by carbon pollution.","ai_generated":true,"unit":"climcent-000061#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"January 2026 was the fifth-warmest January on record globally for combined land and ocean temperatures, with the Southern Hemisphere averaging the third-warmest January on record.","ai_generated":true,"unit":"climcent-000061#insight-1","date_modified":"2026-10-23"},{"text":"The contiguous U.S. faced significant dryness and snowpack deficits, with at least 72% of the region experiencing abnormally dry or drought conditions as of February 10, 2026. Specifically, Colorado saw its worst snowpack in over 40 years, and Utah reached new record low levels for snow water equivalent by early February.","ai_generated":true,"unit":"climcent-000061#insight-2","date_modified":"2026-10-23"},{"text":"NOAA has replaced the Oceanic Niño Index (ONI) with the Relative Oceanic Niño Index (RONI) as of February 1, 2026. This change is intended to reduce reliance on 30-year climate base periods that struggle to keep pace with warming tropical Pacific waters caused by climate change.","ai_generated":true,"unit":"climcent-000061#insight-3","date_modified":"2026-10-23"},{"text":"Climate attribution analysis using the Climate Shift Index (CSI) found that temperatures across the northern U.S. from Washington to Minnesota were at least five times more likely due to carbon pollution in early and mid-January. Exceptional warmth driven by climate change (CSI level 5) was also noted in San Juan, Puerto Rico, Honolulu, Hawaii, and Juneau, Alaska.","ai_generated":true,"unit":"climcent-000061#insight-4","date_modified":"2026-10-23"}],"climate_tags":["precipitation","carbon dioxide","drought","extreme event attribution","carbon dioxide emissions"],"geography_discussed":["Hawaii","Arizona","Oregon","California","Montana","Colorado","Utah","North Carolina","South Carolina","Puerto Rico","Alaska"],"frame_perspective":[],"analysis_type":["observational","attribution","predictive"]},{"id":"climcent-000133","url":"https://climateinsightsdirectory.org/document/climcent-000133","title":"Monthly Attribution Overview – September 2025","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2025-10-09","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-september-2025","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The analysis shows that 161 of 192 analyzed U.S. cities experienced hotter-than-average temperatures in September 2025, with an average anomaly of 1.5°F. The Northwest region saw the most unusual heat, averaging 3.42°F above normal, while Spokane, WA, recorded the highest individual city anomaly at 7.8°F. Long-term trends indicate widespread warming since 1970, with Reno, NV, showing the fastest increase at 10.8°F. Climate Shift Index (CSI) data highlighted strong climate change influence in several cities, most notably San Juan, PR, which had 22 days at CSI 5.","ai_generated":true,"unit":"climcent-000133#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"In September 2025, the average temperature anomaly across 192 analyzed U.S. cities was 1.5°F, with 161 cities recording hotter-than-average temperatures.","ai_generated":true,"unit":"climcent-000133#insight-1","date_modified":"2026-10-23"},{"text":"The Northwest region, including Washington, Oregon, and Idaho, experienced the most unusual heat with an average temperature anomaly of 3.42°F, while Spokane, WA, was the most unusually warm city at 7.8°F above usual.","ai_generated":true,"unit":"climcent-000133#insight-2","date_modified":"2026-10-23"},{"text":"Long-term data since 1970 shows warming trends in 190 of the 191 ACIS stations analyzed, with Reno, NV, experiencing the most significant increase of 10.8°F.","ai_generated":true,"unit":"climcent-000133#insight-3","date_modified":"2026-10-23"},{"text":"Climate Shift Index (CSI) values indicated a strong climate change influence in several locations; San Juan, PR, recorded 22 days at CSI 5, meaning temperatures were at least five times more likely due to climate change.","ai_generated":true,"unit":"climcent-000133#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution"],"geography_discussed":["Northwest","Southeast","Spokane","Reno","San Juan"],"frame_perspective":[],"analysis_type":["attribution"]},{"id":"climcent-000181","url":"https://climateinsightsdirectory.org/document/climcent-000181","title":"Climate Shift Index Alert","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2025-03-13","source_url":"https://www.climatecentral.org/climate-shift-index-alert/midwest-and-deep-south-march-2025","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document warns of a rare two-day 'Moderate Risk' of severe weather in the Midwest and Deep South on March 14-15, 2025, driven by temperatures 15-25°F above mid-March averages. It links this early-season warmth to human-caused climate change and notes a long-term increase in Convective Available Potential Energy (CAPE) and the frequency of extreme tornado outbreaks in the U.S.","ai_generated":true,"unit":"climcent-000181#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A severe weather threat is forecast for March 14-15, 2025, across the Mid/Upper Mississippi Valley, Lower Ohio/Tennessee Valleys, and Deep South, with NOAA's Storm Prediction Center issuing a rare two-day \"Moderate Risk\" (level 4 out of 5).","ai_generated":true,"unit":"climcent-000181#insight-1","date_modified":"2026-10-23"},{"text":"Climate change has increased the probability of the extreme warmth driving this event: temperatures 20-25°F above average in the at-risk region for March 14 are at least twice as likely to occur, while temperatures 5-15°F above average for March 15 are 1.5 to 2 times more likely.","ai_generated":true,"unit":"climcent-000181#insight-2","date_modified":"2026-10-23"},{"text":"Since 1979, the Central Ohio Valley, Kentucky, and Tennessee have seen an increase of 10 to 15 more days during springtime where Convective Available Potential Energy (CAPE) values exceed 1,000 J/kg, indicating a higher potential for severe weather.","ai_generated":true,"unit":"climcent-000181#insight-3","date_modified":"2026-10-23"},{"text":"While the annual number of U.S. tornadoes has remained stable since 1970, activity is increasingly concentrated in outbreaks, with the most extreme outbreaks increasing in frequency. Additionally, the proportion of U.S. tornado fatalities occurring at night has risen by 20% since 1880.","ai_generated":true,"unit":"climcent-000181#insight-4","date_modified":"2026-10-23"}],"climate_tags":["climate change","extreme heat"],"geography_discussed":["Midwestern United States","Deep South","Missouri","Iowa","Illinois","Louisiana","Mississippi","Alabama","Kentucky","Tennessee"],"frame_perspective":[],"analysis_type":["risk assessment","attribution"]},{"id":"climcent-000103","url":"https://climateinsightsdirectory.org/document/climcent-000103","title":"Hurricane Beryl fueled by ocean warming linked to climate change","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2024-08-14","source_url":"https://www.climatecentral.org/report/hurricane-beryl","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Hurricane Beryl, the earliest Category 5 hurricane on record, was fueled by ocean temperatures 2°–3°F warmer than normal, conditions made 100–400 times more likely by human-caused climate change.","ai_generated":true,"unit":"climcent-000103#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Hurricane Beryl experienced rapid intensification over waters that were approximately 1.8°C (3.2°F) warmer than the 1991-2020 average, with these temperatures typically expected in September rather than June.","ai_generated":true,"unit":"climcent-000103#insight-1","date_modified":"2026-10-23"},{"text":"According to the Climate Shift Index: Ocean (Ocean CSI), human-caused climate change made the elevated sea surface temperatures that fueled Hurricane Beryl 100 to 400 times more likely.","ai_generated":true,"unit":"climcent-000103#insight-2","date_modified":"2026-10-23"},{"text":"Hurricane Beryl became the earliest season Category 5 hurricane in recorded history, with peak winds of approximately 165 mph west of the Lesser Antilles, resulting in at least 60 deaths and roughly $6 billion in damages in the U.S.","ai_generated":true,"unit":"climcent-000103#insight-3","date_modified":"2026-10-23"}],"climate_tags":["sea surface temperature","tropical cyclone","hurricane"],"geography_discussed":["United States","Caribbean","Yucatan Peninsula","Lesser Antilles"],"frame_perspective":[],"analysis_type":["attribution"]},{"id":"wri-000506","url":"https://climateinsightsdirectory.org/document/wri-000506","title":"The Connection Between Climate Change and Recent Extreme Weather Events","publisher":{"name":"World Resources Institute","organization":"world-resources-institute"},"document_type":"fact sheet","language":"en","date_published":"2012","source_url":"https://www.wri.org/research/fact-sheet-connection-between-climate-change-and-recent-extreme-weather-events","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document outlines how human-induced climate change has increased the probability of intense heat waves, severe droughts, and large forest fires in the U.S., citing data from NOAA and other scientific bodies to show that these events are becoming more frequent and severe than natural variability alone can explain.","ai_generated":true,"unit":"wri-000506#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Man-made climate change has increased the likelihood of longer and more intense heat waves in the U.S. In 2012, high temperature records were broken at a ratio of 10-to-1 compared to cold temperature records, a significant shift from the 1-to-1 ratio typical of the 1950s, '60s, and '70s. Additionally, over 26,000 new record temperature highs were set in the U.S. in 2012 alone.","ai_generated":true,"unit":"wri-000506#insight-1","date_modified":"2026-10-23"},{"text":"Global warming intensifies drought and heat, making events dryer and warmer. Specifically, conditions that led to the 2011 Texas drought are now 20 times more likely to occur than they were in the 1960s due to greenhouse gas emissions. The U.S. Global Change Research Program projects more severe droughts in the coming decades, particularly in the Great Plains, where increasing temperatures and evaporation rates will stress water resources.","ai_generated":true,"unit":"wri-000506#insight-2","date_modified":"2026-10-23"},{"text":"Climate change has likely contributed to a significant rise in large forest fires in the American West. Over the last 30 years, the size of wildfires has increased several-fold, the number of large and long-duration forest fires has increased fourfold, and the fire season has expanded by 2.5 months.","ai_generated":true,"unit":"wri-000506#insight-3","date_modified":"2026-10-23"},{"text":"Scientific assessments from the U.S. National Academy of Sciences and the U.S. Global Change Research Program indicate that man-made climate change is likely responsible for the rise in several types of extreme weather, and these trends are expected to persist.","ai_generated":true,"unit":"wri-000506#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","drought","wildfire","greenhouse gas emissions","climate change"],"geography_discussed":["Texas","Great Plains","Colorado","World"],"frame_perspective":[],"analysis_type":["attribution"]}]}