Read the full report: Running Out of Cool Days: How climate change is decreasing the odds of optimal marathon conditions Researchers have found there is a “sweet spot” for marathon temperatures where ...

During the past three months (June, July, and August 2025), the effects of human-induced climate change — mainly from burning coal, oil, and methane gas — were evident in most regions of the world, ...

Twenty years ago this week, Hurricane Katrina became one of the worst disasters in U.S. history. Marking the 20-year anniversary, Climate Central used the Climate Shift Index: Ocean and Climate Shift ...

Japan saw its hottest June and July on record in 2025, while South Korea logged its second-hottest July since 1973. Climate Central analysis shows that human-caused climate change made the extreme ...

We all depend on the oceans. They regulate climate over long timescales and affect weather on land. They also host vast ecosystems, provide nutrition for billions, and support livelihoods and cultures ...

This Climate Matters analysis is based on open-access data from the National Oceanic and Atmospheric Administration (NOAA). See Methodology for details. More frequent and intense extreme heat — the ...

Climate Central held a briefing on July 8 where our panel of climate scientists and meteorologists broke down the meteorology behind the Texas flood disaster, how climate change is fueling more ...

The entire planet is warming due to human-caused climate change, but the built environment further amplifies both average temperatures and extreme heat in cities. According to the U.S. Environmental ...

Download the report: Climate Change and the Escalation of Global Extreme Heat: Assessing and Addressing the Risks (2025) Download the data: for 247 countries over May 1, 2024, to May 1, 2025, and 67 ...

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 coastal ...

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 and ...

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 ...