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

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.

It took a decade of hard work, but one of the world’s most important wildlife corridors is now emerging from the fragmented forests of coastal Brazil.

As the wild population of red wolves falls to just 40 animals, captive breeding may be their last chance for survival.

Exhaustive searchers have failed to turn up the lost Algerian species Adenocarpus faurei. Could other plants in the region also be extinct?

Eco-books coming out this month cover some of the most important topics on the planet — and give you some tools to help.

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

Thanks to protective efforts in Russia, these critically endangered big cats have renewed hope of avoiding extinction.