The contentious Keystone XL pipeline is now one step closer to being built, but its saga is far from over.
Over Trump's first 100 days, we're going to show what science tells us about our warming world.
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.
Automakers and Trump have begun the cumbersome task of working to scuttle car mileage standards.
The fuel standards were a central part of Obama's legacy on addressing climate change.
Around the world, cities are increasingly at the forefront of action to curb climate change.
The Energy Star program is as much a climate program as it is an energy savings program.
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The EPA has withdrawn a request for methane emissions data from the oil and gas industry.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.
Cap-and-trade, an original weapon in the fight against warming, faces obsolescence in Europe.
Congress could use a rarely-invoked law to permanently kill an Obama-era methane emissions regulation.
China is home to the world's largest solar farm. It looks pretty spectacular from space.
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.
Europe will vastly overshoot its carbon emissions target unless it closes all 300 coal-fired power stations by 2030.
Renewable energy sources made up nearly nine-tenths of new power added to Europe’s electricity grids last year.
A group of prominent conservatives is pushing for a carbon tax that pays cash dividends to Americans.
The Army Corps of Engineers has approved an easement that allows the final link in the Dakota Access Pipeline.