Teen climate change activist Greta Thunberg demonstrated support for Democrat Joe Biden on Saturday, urging environmentally concerned voters to make their voices known in the...

The United States, China, and Russia fought the coronavirus pandemic after the United Nations Security Council on Thursday. Chief Antonio Guterres warned the body that...

Hurricane Sally uprooted trees, flooded highways, and cut electricity linked to hundreds of thousands of homes and businesses in the Alabama-Florida coast as it delivered...

Google Alphabet Inc. plans to operate its data centers and offices by 2030 using exclusively carbon-free electricity, its chief executive told Reuters, building on its...

The high temperatures spark worries about the possibility of even more wildfires, as some of the largest in its history continue to ravage the state,...

Reducing greenhouse gas emissions in the future will reduce the severity of long-term impacts, but would make no difference to near-term developments that are already...