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

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.

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

Farmers don't like living near big predators like leopards, but new research shows the carnivores provide a vital ecological service.

David Bernhardt, Greg Sheehan and Susan Combs are implementing Trump’s energy-dominance agenda while ignoring Congress and the public.

The key to saving elephants and other species may lie in the DNA contained in their droppings, says conservation biologist Samuel Wasser.

The “extinction capital of the world” could start losing unique plant species in as little as a month if funding disappears.

Dozens of these water-filtering species are at risk of vanishing, and that’s bad news for every living creature that relies on them.

Eco-books coming out this April look at the life and death of Cecil the lion, the history of oppressive oil development, and living a zero-waste lifestyle.