An indigenous resistance is leading the fight to protect Central America's rivers from an onslaught of dams that threaten the region's rich biodiversity.

The worldwide demand for limestone for use in cement production threatens these rock-climbing species and other amazing wildlife.

Railways can be deadly for animals ranging from elephants to grizzlies and frogs, but we’re just beginning to understand the causes and solutions.

It appears to have been wiped out by pollution, development and illegal mining by “sand mafias.” Will other plants soon follow?

Ecologist Jodi Hilty explains what conservationists have learned about linking critical habitat areas together.

A thriving population of servals at petrochemical plant suggests that even heavily industrialized sites can still be good places for conservation.

The unexpected announcement reverses a plan to move people out of critical protected habitats — and puts the nation’s amazing biodiversity at risk.

The removal of the Edwards Dam on Maine’s Kennebec River helped river conservationists reimagine what’s possible.

The gigantic Ozark hellbender salamander is in trouble in the wild, but one zoo — and a hard-working team — is helping to boost its populations.

Alex Dehgan’s new book The Snow Leopard Project details successful strategies for conserving endangered wildlife — and helping people in the process.