In its final days, the administration is rushing to cement its destructive legacy with attacks on clean air, wildlife and public lands that could be difficult to undo.

The United States must grapple with a legacy of 90,000 dams, many unsafe or unwanted.

American environmentalism’s racist roots have shaped global thinking about conservation, and that has walled off Indigenous peoples from land they could most effectively steward.

U.S. states hope to tap Canada’s network of large dams to meet low-carbon goals, but do better options exist closer to home?

Biodiversity loss threatens national security. We need to invest in technologies to preserve our vital food varieties.

Erin Brockovich, E.O. Wilson, Jane Fonda and others deliver important new books addressing the fights against climate change, the extinction crisis and toxic pollution.

A plan to import hydropower from Canada to Massachusetts begs the question of whether big hydro along with its reservoirs and dams, is green enough to be worth the cost.

Thousands of fires in the world’s largest tropical wetlands have put the region’s Indigenous communities and Brazil’s unique wildlife at risk.

In The Reindeer Chronicles, Judith D. Schwartz shows how badly damaged landscapes are being restored across the world — and why more of that work is deeply needed.

Ecuador’s Los Cedros Reserve, one of Earth’s most biodiverse habitats, could be wiped out by mining. A court case could save it — and set a precedent for the planet.