The scientific report, identifies the United States as an outlier among the nations responsible for the vast majority of ...

The U.S. is the only major economy where planet-warming pollution dramatically increased last year. The United Nations warns ...

Any theoretical possibility of keeping global warming below 1.5 degrees has slipped away, a new U.N. report concludes. Even ...

Humanity is losing more ground in its fight against climate change. If all the countries do what they promise to do in the ...

A wolf leaves Yellowstone National Park. It follows the scent of elk, crosses an invisible boundary and enters Montana.

The United Nations’ latest climate report is a stark reminder that limiting warming to the safest levels is now likely out of ...