One map shows Atlantic waters are warming in time for hurricane season but they're not quite there yet.
El Nino has been the climate phenomena on everyone's lips, but how will we know when it's arrived?
With few exceptions, summer temperatures across the U.S. have risen since 1970.
Obama aims to slash CO2 pollution from the electric power sector by 30 percent below 2005 levels by 2030.
Atlantic hurricane season starts on Sunday. Here are some resources to keep tabs on it.
The Power Dissipation Index for hurricanes has been on the rise since 1970, along with sea surface temperatures.
Measuring CO2 emissions from coal-fired power plants and other sources could be entering the space age.
For most of the nation, summer weather has been changing in ways climate scientists say are consistent with what they’d expect in a warming…
When it comes to summertime precip., the wet are getting wetter and the dry are getting drier.
All carbon dioxide monitoring stations in the northern hemisphere averaged above 400 ppm for April.
Need to keep your edge in this summer of sweat and torpor? This summer reading list can help.
Last month tied as the hottest April on record according to new NOAA data released Tuesday.
A new report looks at the U.S. cultural heritage sites most threatened by rising seas, wildfires, and storms.
It's rare for Greenland's ice sheet to see any summer melt, but that could change by 2100.
The IEA's fascinating graphic shows how radically CO2 emissions need to be reduced by 2050.
A new video shows how dust, soot, and sea salt are transported around our globe everyday.
A new Cornell study paints a bleak picture if natural gas methane emissions are not curbed quickly.
A new satellite view shows ocean heights rising in the Pacific, another telltale sign of El Niño.
The probability of a tornado touchdown somewhere in the U.S. jumps to nearly 80 percent in May and nearly 90 percent in June.
Coral reefs are an amazingly effective first line of defense for coastal communities.