New research finds that one-third of the world's protected areas cannot serve the conservation mission for which they were established.

“In the event of my imminent extinction, I hereby authorize the following as a testament of my wishes...”

Even before the border wall is built, local business owners and conservationists worry about its impact on tourism and wildlife.

“My art can’t help but comment on political, cultural and environmental issues of the U.S.-Mexico borderlands,” says the award-winning artist.

The Bureau of Land Management has proposed a mass sterilization, euthanasia and “sale without limitation” of America’s wild mustangs.

A review of Trump’s stated war on regulations doesn't find many successful repeals. But it is hurting regulatory enforcement in quieter ways.

Demand for organic food is growing, but corporations are pushing back to keep consumers in the dark about what they’re eating, says food campaigner Stacy Malkan.

The U.S. Department of Agriculture killed more than 23,000 beavers last year. There’s a better way to manage our ecosystem engineers.

Bears Ears National Monument’s imperiled fossil heritage holds clues to understanding some of our most urgent questions about climate change.

David Dunn says we can learn a lot about nature by listening to it — and in some cases, even use sound to heal the natural world.