Table 3. Top 10 ACIS stations with the highest number of days at or above a CSI of 3 during April 2025. We analyzed 191 Applied Climate Information System (ACIS) stations associated with U.S. cities.

Click the downloadable graphic: States at Risk from Coastal Floods In the U.S., coastal floods now happen three times more often than they did 30 years ago — and the frequency and intensity of ...

Click the downloadable graphic: Hourly Rainfall Intensity 1970 to 2024 Climate change is bringing heavier rainfall extremes and increased, inequitable flood risk to many parts of the U.S. For ...

Click the downloadable graphic: Climate Change Worsens Seasonal Allergies for Children The first spring leaves and flowers are unfolding early in parts of the south including in Atlanta, Georgia ...

Like all other seasons, spring is getting warmer across the U.S. National warming trends reflect global warming caused by heat-trapping pollution mainly from burning coal, oil, and methane gas for ...

Read the full report: Climate change is heating up West Africa's cocoa belt Download the data: Data for 44 districts, regions, and states in Cameroon, Côte d'Ivoire, Ghana, and Nigeria ...

Click the downloadable graphic: Top 10 Hottest Years in the U.S. Global carbon emissions from burning coal, oil, and methane gas climbed to their highest levels ever in 2024. This heat-trapping ...

The U.S. experienced 24 billion-dollar weather and climate disasters from January through November 2024 — a total second only to the record 28 annual disasters set just last year. These 24 ...

During the first week of October (October 1-6, 2024), over 120 million people in Japan experienced unusual heat made at least 3 times more likely by human-caused climate change. The table below ...

Click the downloadable graphic: Top Clean Energy Technology in Each State This past summer was Earth’s hottest season on record, during which human-caused climate change increased heat-related ...

Golden aspen groves in the Rockies. Orange sassafras slopes along the Blue Ridge Parkway. Scarlet maples dotting New England’s lakeshores. As leaf-peeping season spreads across the U.S. each ...