Extreme Heat Archives - Climate Attribution

Systematic Attribution of Heatwaves to the Emissions of Carbon Majors

Published:September 2025

Author(s):Yann Quilcaille et al.

Publisher:Nature

This study finds that climate change contributed to the intensification and likelihood of 213 heatwaves between 2000 and 2023, and 180 carbon majors substantially contributed to that.Read More →

Record-Breaking 2023 Marine Heatwaves

Published:July 2025

Author(s):Tianyun Dong et al.

Publisher:Science

This study reports on record-breaking marine heat waves in 2023, which depart from historic averages in duration, extent, and intensity.Read More →

Heat Action Day Report: Climate Change and the Escalation of Global Extreme Heat

Published:May 2025

Author(s):Otto Giguere et al.

Publisher:Worldwide Weather Attribution

This study finds that, over the past 12 months, 4 billion people experienced at least 30 extra days with extreme heat and climate change made extreme heat days at least twice as likely.Read More →

Climate Change and the Escalation of Global Extreme Heat

Published:May 2025

Author(s):Giguere, Otto, Tannenbaum, Vahlberg, et al.

Publisher:Climate Central, Red Cross Red Crescent Climate Centre, World Weather Attribution

This report assesses the influence that climate change has had on heat waves from May 1, 2024 to May 1, 2025, finding that human-driven climate change is making heat events longer and more likely.Read More →

Anthropogenic Forcing Dominates Changes in Compound Long-Duration Dry and Heat Extremes in China

Published:May 2025

Author(s):Fengchun Ye, Pinya Wang, Yang Yang, Lili Ren, Jianping Tang, Hong Liao

Publisher:Climatic Change

This study finds anthropogenic forcing to be a driving factor in compound dry and heat extremes in China.Read More →

Carbon majors and the scientific case for climate liability

Published:April 2025

Author(s):Christopher W. Callahan, Justin S. Mankin

Publisher:Nature

This peer-reviewed article outlines a transparent, reproducible and flexible framework to formalize how end-to-end attribution could inform litigation by assessing whose emissions are responsible for which harms.Read More →

Global Warming Drives a Threefold Increase in Persistence and 1°C Rise in Intensity of Marine Heatwaves

Published:April 2025

Author(s):Marta Marcos, Angel Amores, Miguel Agulles, Xiangbo Feng

Publisher:PNAS

This study provides a quantitative assessment of global warming's impact on marine heatwaves and concludes that global warming has contributed to both the increased frequency and intensity of marine heatwaves.Read More →

People Exposed to Climate Change: December 2024-February 2025

Published:March 2025

Author(s):Raina DeFonza et al.

Publisher:Climate Central

This report analyzes the influence of climate change on global temperatures between December 2024-February 2025 using Climate Central's Climate Shift Index (CSI)Read More →

Attributing Heatwave-Related Mortality to Climate Change: A Case Study of the 2009 Victorian Heatwave in Australia

Published:January 2025

Author(s):Sarah E. Perkins-Kirkpatrick et al.

Publisher:Environmental Research: Climate

This study assesses the attribution of mortalities from an Australian heatwave to climate change. It focuses specifically on the 2009 heatwave in Victoria. Read More →

The Footprint of Human-induced Climate Change on Heat-Related Deaths in the Summer of 2022 in Switzerland

Published:July 2024

Author(s):Ana M. Vicedo-Cabrera, Evan de Schrijver, Dominik L. Schumacher, Martina S. Ragettli, Erich M. Fischer, Sonia I. Seneviratne

Publisher:Environmental Research Letters

In this peer-reviewed study, the authors quantify the heat-related mortality burden attributed to human-induced climate change in Switzerland during the summer of 2022.Read More →

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