Global problems are rarely solved by one person or invention — no matter how much they go viral. The Ocean Cleanup didn’t work, for the reasons experts said it wouldn’t. What can we learn from this?

This excerpt from the new book The Earth Said Remember Me looks at the shifting baselines around the United States’ national bird — which many people already forget almost disappeared.

Most species on the brink of extinction are on the Endangered Species list because there is almost no place left for them to live.

Activists raise serious concerns about the welfare of the country’s captive elephants and the laundering of wild-caught pachyderms into the captive population.

These newly discovered whales are about as rare as rare can get, and the Trump administration isn’t helping.

This week we examine the isolation many environmentalists feel in their work. Here’s how to take action to feel that your work is appreciated and inspire others along the way.

Conservationists say the crisis exposes a pattern of broken promises around the celebrated Vjosa Wild River National Park.

Migration increases the survival of ungulates like mule deer and caribou, but changing landscapes are hampering their movements — and their future.

Restoring this vital landscape and its amazing wildlife will require strategy, collaboration, and vigilance.

A look inside the illegal turtle and tortoise trade operating through the world’s busiest land border crossing — and the enforcement vacuum making it possible.