Fresh data from NASA reveals a comprehensive global view of CO2 in full color.
Long-term trends continue to paint a picture of rapid change throughout the Arctic region.
New York City and its power grid is among the cities most sensitive to increasing hurricane intensity.
Ocean acidification could silence the fish and crustaceans that call coral reefs their home.
Two new findings show how Greenland could be melting from the bottom up.
While November didn't set a global hot mark, 2014 is still on track to be the warmest year on record.
Updates from Lima, the skinny on drought, and new research on sea level, hurricanes, energy and more.
The State Secretary dropped by the Lima climate talks to implore delegates to reach accord.
State mandates and tax incentives make California the most popular state for buying an electric car.
High-level climate talks began on Tuesday, dominated by doubts about rich countries' financial pledges.
A new NOAA study shows that natural variability could be the cause of the devastating California drought.
Europe is now 10 times more likely to have a catastrophic heat wave than it was just a decade ago, study says.
From warming rates to robotic floats, stay current on climate with the top news of the week.
Here's how winter temperature and precipitation have changed in the U.S. since 1970.
The Obama administration's plan to cut CO2 emissions moves to next step.
American political dysfunction could keep legally binding rules out of the next climate pact.
The U.N.'s WMO is the latest agency to announce that 2014 is likely to be the warmest year on record.
Rain is set to deluge California again but it won't be enough to end the state's drought.
New Yorkers and Bostonians will pay higher natural gas prices this winter because of a pipeline crunch.
How CO2 in different modes of transportation stack up, plus how weather affects Turkey Day travel.