The contentious Keystone XL pipeline is now one step closer to being built, but its saga is far from over.
Trump's budget would hamper efforts abroad to slow global warming, especially by poorer countries.
The White House’s proposed budget forcefully kicks many federal climate-related energy programs to the curb.
February was the second hottest on record, despite the lack of an El Niño, a clear mark of global warming.
Arctic sea ice may vanish in summers even if the world reaches goals set by Paris climate agreement.
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.
President Trump may seek to eliminate NOAA's Sea Grant program, "an outsized leader in coastal adaptation."
Congress is considering legislation that could weaken the Endangered Species Act.
The carbon dioxide peak is a few months away, but scientists are already expecting another record.
The EPA has withdrawn a request for methane emissions data from the oil and gas industry.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.
Cap-and-trade, an original weapon in the fight against warming, faces obsolescence in Europe.
Five out of every six wildfires battled in the Lower 48 were started by a human, new research shows.
Congress could use a rarely-invoked law to permanently kill an Obama-era methane emissions regulation.
Greenhouse gas emissions fell in 2015, reducing America’s overall climate pollution to below 1994 levels.
The federal government will use mud from dredging projects to protect coasts from erosion and rising seas.
East Coast communities could flood three times a week within 30 years as seas rise and land sinks.
The Army Corps of Engineers has approved an easement that allows the final link in the Dakota Access Pipeline.