Close up photo of small snow mountain with the sun and mountains in the background. New Record for Temperature

New Record for Temperature Whiplash

U.S. temperature extremes in 2014 have been exceptional—with record heat in the West and cooler than average temperatures in the East—and many scientists think climate change may be contributing. Temperature extremes occur when regions experience temperatures at the top or bottom 10% of the historical range of recorded values.

Photo of three mascots skiing at the Winter Olympic Games in Sochi, Russia

Snow in Sochi

Above-average temperatures in Sochi are causing delays, injuries, and more at Olympic skiing and snowboarding events.

President Obama, sitting next to President Xi Jinping in Oval Office

U.S. and China Formally Join Paris Agreement

The U.S. and China Finally Join the Paris Agreement The United States and China formally joined the Paris Agreement on climate change today, committing the world’s two biggest emitters to keep warming below 2˚C, with best efforts to limit warming …