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 ...

More than 1 million people worldwide finish a marathon each year, and the world’s largest will take place in New York City this weekend. As thousands head to the starting line to chase their personal ...

Explore U.S. billion-dollar weather and climate disasters since 1980, including total costs, trends, and impacts.

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, ...

This summer’s heat is likely to linger through fall with above-normal temperatures expected across the U.S. from September through November. This year is not an exception. It’s part of a longer ...

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 ...

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 ...

Read the full report: Climate change increasing pregnancy risks around the world due to extreme heat (2020-2024) Download the data: For 247 countries, territories, and dependencies and 940 cities ...

Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature of ...

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: Hourly Rainfall Intensity 1970 to 2024 This Climate Matters analysis is based on open-access data from the National Oceanic and Atmospheric Administration (NOAA). See ...