Biodiversity

Journalist Christopher Ketcham explains why we’re running out of time to save the West’s public lands and wildlife.

Releasing captive-bred monarchs doesn’t benefit wild butterflies — in fact, it may make the problem worse.

Time is running out to save North Atlantic right whales, but the use of ropeless fishing gear could be a lifeline.

The Australian icon could lose its fight against climate change, disease, habitat destruction and cars — but not if dedicated conservationists get the tools they need to protect the species.

New books this month also examine environmental racism, wildlife coexistence and the history lessons of acid rain.

Many of the gray whales found dead this year have suffered from malnutrition. Researchers are rushing to find the cause.

Well, more specifically their footprints. New research finds that elephants create foot-shaped habitats for breeding frogs as they travel through the forest in Myanmar.

Images of chimpanzees and other species appear cute, but they may actually depict animals in dangerous situations. Here’s how to tell what’s safe to share — and how that helps conservation.

The number of confirmed plant extinctions and uncertainty around other species is a concern.

Residents of southern Arizona are protecting jaguar habitat and creating jobs in the hopes that a restoration economy can beat an extraction economy.