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 ...

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 ...

Average temperatures and days above normal were calculated for each winter (December, January, February) from 1969-1970 (referred to as “winter 1970”) to 2024-2025 (“winter 2025”) using data obtained ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across 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 ...

The coldest nights of the year are upon us, bringing serious risks. When thermometers drop to their annual minimums, cold weather hazards and home heating costs both spike and many struggle to stay ...

This Climate Matters analysis is based on open-access data from the U.S. Environmental Protection Agency (EPA) and the National Oceanic and Atmospheric Administration (NOAA) Western Regional Climate ...

The Great Lakes form the planet’s largest freshwater system. They hold one-fifth of all fresh water on Earth’s surface and supply drinking water for over 30 million people across the eight neighboring ...

The power grid is essential, but vulnerable. We all depend on the electricity system that serves homes and businesses across the U.S., but this system is vulnerable to large-scale outages caused by ...

America’s capacity to generate carbon-free electricity grew during 2023 — part of a decade-long growth trend for renewable energy. Solar and wind account for more of our nation’s energy mix than ever ...