Plant libraries hold essential clues about climate change -- but with funding cuts aimed at research and education, their future is at stake.

As Los Angeles rebuilds from the Eaton and Palisades fires, climate activists want to retire the gas utility pipelines and and hope to persuade people to rebuild homes as all-electric.

As Los Angeles rebuilds from the Eaton and Palisades fires, climate activists want to retire the gas utility pipelines and and hope to persuade people to rebuild homes as all-electric.

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

Thirty artists release songs with nature sounds to generate royalties for nature conservation in second annual United Nations Earth Day mixtape.

Pope Francis called on the world and 1.4 billion Catholics to confront climate change. He brought attention to the issue but it's not clear he changed many minds.

At a time when communities feel fractured, here's a look at online communities taking a pragmatic approach to changing the world for the better.

The Trump administration has halted work on the National Climate Assessment. It's the most comprehensive source of information about how climate change affects the U.S.

The Trump administration halted the construction of a New York offshore wind project. Legal analysts say it has implications far beyond the wind industry.

The Trump administration is reinterpreting a key word in the Endangered Species Act that could have big consequences for the habitats of species at risk.