As the planet warms, all four seasons are warming and the seasonal clock itself is warping — with the hottest time of year lasting longer and the coldest time of year shrinking. There are several ...

Using Climate Central’s Climate Shift Index (CSI) tool to measure the impact of climate change on daily temperatures across the United States, as well as NOAA’s Applied Climate Information System ...

The 2026 Winter Olympics kick off on February 6, followed by the Winter Paralympic Games on March 6. The Games will take place throughout Northern Italy, with most indoor events in Milan and most ...

According to the latest NOAA data, 2025 was Earth’s third-warmest year since records began in 1850. Global average temperatures in 2025 were 1.3°C (2.4°F) above pre-industrial (1850-1900) levels.

Meteorological winter (December, January, February) is the fastest-warming season for most of the U.S. Locations across the Northeast and the Great Lakes region have seen some of the highest rates of ...

Climate Central created Climate Change: Key Facts, a free slide deck available in English and Spanish, using our library of Climate Matters content — all of which is reviewed by staff scientists in ...

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 ...

NEW VIDEO SERIES Click to download this ready-to-air video, A.I. Wildfire Tracking. These fully produced news stories can be used by media outlets for broadcasts, streaming, and digital at no cost.

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 ...

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 ...