A global review of extreme heat over the past 12 months (May 2024 to May 2025), climate change’s influence on that heat, and strategies to prevent increasingly frequent and intense heat from ...

Analysis shows that climate change has caused an increase in warmer-than-normal summer nights since 1970 in 246 major U.S. cities analyzed.

Wildfires in Canada — forcing mass evacuations in Manitoba and prompting urgent calls for assistance from First Nations leaders in Saskatchewan — have intensified as heat, drought, and ...

Figure 2. Days with a CSI of 2 or higher for May 2025 for ACIS threaded stations. Analysis based on ERA5 data (5/01 - 5/28) and GFS data (5/28-5/31).

KEY FACTS. Oceans made warmer by human-caused climate change are fueling more intense hurricanes in the Atlantic — that bring heavier rainfall and higher storm surge when they make landfall.

Analysis shows that climate change has caused the number of extremely hot summer days to increase since 1970 in 88% of major U.S. cities analyzed.

Bernadette Woods Placky is Climate Central’s VP for Engagement, Chief Meteorologist, and directs the Climate Matters program where she helps the public understand the importance of climate ...

A dangerous early-season heat wave will impact the central and eastern U.S. between June 20-24, bringing the hottest temperatures of the season so far. A Climate Central analysis finds that human ...

Climate change is warming oceans worldwide, and that added heat is fueling stronger hurricanes. The Climate Shift Index: Tropical Cyclones (Tropical Cyclone CSI), launched in 2025, uses the ...