New research highlights an emerging migration crisis that’s worsening with global warming.
Over Trump's first 100 days, we're going to show what science tells us about our warming world.
Winter Arctic sea ice set a record low for the third year in a row, a mark of the effects of global warming.
February was the second hottest on record, despite the lack of an El Niño, a clear mark of global warming.
Climate change is causing leaves to emerge earlier in the year. See how far ahead they are this year.
For the second year in a row, carbon dioxide concentrations rose at a record-fast clip.
The Energy Star program is as much a climate program as it is an energy savings program.
Climate change made the February warmth that baked the U.S. at least three times more likely.
February marked another month with record low Arctic sea ice, driven by extremely mild weather.
Congress is considering legislation that could weaken the Endangered Species Act.
The EPA has withdrawn a request for methane emissions data from the oil and gas industry.
The Trump administration wants to “zero out” many climate-related programs and grants.
The vast majority of the U.S. had a warm winter, driven in part by intense February heat.
The prolonged, intense heat that stifled southeastern Australia was up to 50 times more likely thanks to climate change.
Five out of every six wildfires battled in the Lower 48 were started by a human, new research shows.
Record February heat is kickstarting spring from the Southeast to the Midwest.
Congress could use a rarely-invoked law to permanently kill an Obama-era methane emissions regulation.
For the first time in North America, wind powered more than 50 percent of electric demand on Feb. 12.
Greenhouse gas emissions fell in 2015, reducing America’s overall climate pollution to below 1994 levels.
Warm weather could send Arctic sea ice to a record low winter peak as Antarctic sea ice sets an all-time record low.