Since the first Earth Day in 1970, the average annual temperature in every state has climbed.
Communities across the West will have to adapt to living with the ever-increasing threat of wildfires.
March was the second hottest March on record, according to NASA, behind only 2016, a mark of rising global warming.
Major oil companies, feeling pressure from low oil prices and global climate policy, are fleeing Canada's oil sands.
U.S. energy-related carbon pollution fell in 2016, part of a decade-long trend as utilities use less coal.
On the eve of the March for Science, organizers have started hinting about what they plan to do next.
The expunging of climate information from government websites continues to march forward.
Coal use in the U.S. fell 9 percent in 2016, even as the Trump administration seeks a coal industry revival.
Climate change is helping drive warm water into the eastern Arctic Ocean, altering it in unprecedented ways.
Dozens of GOP-sponsored bills have been introduced in Congress that seek to hamstring federal climate action.
Climate change is stirring life in the Arctic Ocean as thinning sea ice lets in more sunlight.
President Trump signed an executive order Tuesday aiming to overturn federal climate policies.
Polling shows that President Trump's climate actions aren't in line with most Americans' opinions.
New research highlights an emerging migration crisis that’s worsening with global warming.
The contentious Keystone XL pipeline is now one step closer to being built, but its saga is far from over.
New website language provides clues for how the State Department will address climate change.
Humans are in the process of changing the planet in a way that hasn’t happened in 2.6 million years.
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.
The Energy Star program is as much a climate program as it is an energy savings program.