A new study finds most U.S. states are warming, but eight are not yet showing a clear temperature rise.

The Environmental Protection Agency rejected the bedrock scientific finding that greenhouse gases threaten human life and ...

The tools scientists have relied on for decades to track El Niño and La Niña are breaking down, and the reason is ...

This Climate Matters analysis is based on open-access data from the National Oceanic and Atmospheric Administration (NOAA). See Methodology for details. Show Your Stripes on June 21 Show Your Stripes ...

Olympic skiers Vonn and Shiffrin voice concerns over global warming amid glaciers crisis - Team USA skiers Lindsey Vonn and Mikaela Shiffrin are concerned by the impact that global warming is having o ...

Click the downloadable graphic: Warming Since 1970 City to Country Earth Day, April 22, is an opportunity to raise awareness around planetary-scale challenges — including climate change.

Much of the warming measured at the Earth’s surface over the past 125 years stems from temperature measurements from locations with growing urban populations resulting in the “urban heat island” ...