Greenhouse

The Defense Department remains the world's single largest consumer of oil, and as a result, one of the world's top greenhouse gas emitters.

"If you do the math, well, it's pretty sobering"

Ocean temperatures reached their highest point since accurate measurements first began in the 1950s.

Despite warnings that there is little time left to get a handle on global warming, carbon emissions are on the rise.

Climate change reaches all the way to the bottom of the sea.

New lakes formed in the melting Arctic could rapidly tap into deep reservoirs of ancient carbon.

More than a century ago, scientists already knew that burning coal would cause global warming.

Plastics aren't just messing up the environment by clogging the oceans and piling up in landfills.

A new paper proposes sucking carbon dioxide out of the air and turning it into gasoline. Can this really stop climate change?

Scientists are exploring ways to re-engineer the planet to counter the effects of global warming.

U.S. cities committed to the Paris climate accord after President Trump announced the country's exit. But how much can urban areas do?

America's Pledge is part of a growing effort by local governments to meet the U.S. Paris Agreement goals.

Withdrawing from the Paris deal could put at least 1.4 extra gigatons of carbon dioxide in the atmosphere each year by 2025.

The Barents Sea near Svalbard is dotted with seafloor craters created about 11,600 years ago by methane hydrate eruptions.

Why use satellites to study Earth's climate? Researchers leading a new mission explain how images from space will help them analyze which parts of the Americas soak up the most carbon.