In 2025, carbon pollution made 89% of record high daily temperatures set across 247 major U.S. cities more likely — and influenced risky extreme heat events around the globe. Hurricane Melissa, the ...

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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

Click the downloadable graphic: Pregnancy Heat-Risk Days Added by Climate Change Extreme heat presents dangerous risks to global maternal health and birth outcomes. According to the U.S. Centers for ...

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 ...

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 ...