Earth Day coordinator Denis Hayes grew up in Camas, Washington, surrounded by natural beauty and unchecked pollution.

Getting started can feel like an insurmountable challenge. But the more you act, the better you’ll get at it — and the more of a difference you’ll make.

Have you worked with or advocated for an imperiled, rare, or fascinating species? We want to share your stories and support efforts to protect these endangered plants and animals.

A proposed timber sale within the Yaak Valley threatens massive old-growth trees and habitat. Instead, could it become the nation’s first climate refuge?

Animal-rights activists come together in San Diego to stand up for tortured animals and hope others will follow.

As teams travel thousands of miles to compete, the cost to the planet rises. But sports offer a unique opportunity to advocate for sustainable experiences.

An alphabetical look at the environmental threats, priorities, and opportunities of the year ahead.

The next four years — and beyond — are going to be awful for the science and conservation community. By learning from past experiences, we can try to minimize the damage.

Whether they’re primers on environmental activism or a series on resisting autocrats, these books offer a chance to study up for the bumpy years ahead.

Damage is coming soon, but we can strengthen ourselves now.