The economics are clear: Renewables are cheap enough for the country to rapidly decarbonize. Less evident is the political will to pull it off.

The “urban heat island effect” creates extra-hot temperatures that kill. But cities can prescribe powerful treatments, like green spaces and reflective roofs.

Humans are polluting the seas with sound, while warming waters change how noise propagates. What does that mean for whales and other animals?

Satellites spot troubling signals that may portend a transformation from rainforest to savanna, with profound implications for the planet.

Soaring temperatures are rapidly thawing permafrost, leading to huge carbon-spewing holes called thermokarst. Northern fires are making the situation even worse.

Someone's bound to hack the atmosphere to cool the planet. So we urgently need more research on the consequences, says climate scientist Kate Ricke.

Tiny bits of plastic are swirling in the sky, and a new model suggests they could be subtly affecting the climate.

An alarming new study finds that infant feces contain 10 times more polyethylene terephthalate (polyester) than an adult’s.

A new study of the American West shows that climate change is driving more days that are hot, dry, and windy — the perfect conditions for deadly wildfires.

When the invasive swine root through soils around the world, they release as much carbon dioxide as a million cars. Good luck getting rid of them.