Around the world this week, people will stop what they’re doing and stand up to call for great action against climate change.

In warming Alaska, Pacific walruses and Inuit craftsmen find themselves facing new and intersecting threats.

The author and activist talks about climate hope, grief and her new book, On Fire: The (Burning) Case for a Green New Deal . 

Will the Trump administration’s recent changes to the implementation of the Endangered Species Act complicate the delicate strategy of grizzly restoration in this remote Washington wilderness?

Automakers, utilities and appliance makers actually oppose some of the planned deregulation. But antiregulation hardliners are winning out.

A new study finds that fake science videos get millions of hits on YouTube. But scientists can help fix misinformation about climate change and other scientific topics.

This month brings important new books by Naomi Klein, photographer Joel Sartore, Jonathan Safran Foer and water activist Maude Barlow.

Returning prescribed fire to California forests is the focus of a new climate-adaptation plan from the Karuk Tribe, but the federal government will need to play big role.

New research finds that ocean warming has damaged some fisheries and benefited others, although the losers outweigh the winners. But there’s still some encouraging news.

Journalist Ian Urbina’s daring new book The Outlaw Ocean uncovers a dark world of exploitation on the high seas — a world that exists out of the public eye and beyond the rule of law.