Like all other seasons, spring is getting warmer across the U.S. Spring warming can prolong seasonal allergies, worsen wildfire risk, and limit snow-fed water supplies. Climate Central analyzed ...

Average temperatures and days above normal were calculated for each meteorological spring (March, April, May) from 1970 to 2025 using data obtained from the Applied Climate Information System (ACIS), ...

Climate Central is an independent group of scientists and communicators who translate climate science into powerful localized stories that drive understanding and action. As a policy-neutral nonprofit ...

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 ...

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 most rapid warming in the U.S. has generally occurred when and where it’s coldest, including at night, in northern parts of the country—and during winter. Winter (December, January, February) is ...

Explore local sea level rise and coastal flooding risks worldwide with maps that use the most advanced available global model of coastal elevations. The Climate Shift Index: Ocean (Ocean CSI) applies ...

New Climate Central research shows that under the current emissions pathway leading toward 3°C global warming, about 50 major cities around the world will need to mount globally unprecedented defenses ...

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 ...

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 ...

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 ...

Millions of Americans suffer from seasonal allergies each year, and climate change is making it worse. A growing body of research shows that warming temperatures, shifting seasonal patterns, and more ...