Beneath the surface of the tropical Pacific, a deep pool of cool water has been sliding slowly eastward. This massive, slow-motion wave is a favorable sign that La Niña might develop.
Climate connections to Fort McMurray fire
May 12, 2016
If you had to pick your Fourth of July picnic location based solely on past weather, where does the climate record say you'll have the least chance of rain? Our interactive map shows historic odds of rain on your parade.
Using climate simulations, water managers in the Colorado River basin helped helped stakeholders imagine and prepare for future risks.
Compared to March, parts of the tropical Pacific showed signs of cooling off in April 2016.
Based on rainfall changes alone, half of the island groups in a recent study were projected to get drier by the end of the century. When scientists also accounted for more evaporation due to rising temperatures, nearly three-quarters of the islands studied were projected to face freshwater stress.
Greenland melt season off to very early start
April 28, 2016
Earth's temperature history as a roller coaster
April 25, 2016
From protecting our waterways to reducing overfishing, we've made a lot of progress since the first Earth Day. Take a look at five big wins in the 46 years since 1970.