International

When big cats cross from one country into another, they can fall victim to wildlife traffickers, drug cartels, highways and more emerging threats.

Is it worth flying halfway around the world to see an endangered species if the greenhouse emissions from flying put that species further at risk?

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

The tragic death, following an artificial insemination procedure, leaves just three turtles of the species alive.

Decades after being wiped out in the Lone Star State, black bears are slowly returning. Experts fear that a border wall between the United States and Mexico would end that recovery.

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

The Story of Stuff Project’s Stiv Wilson talks about an upcoming film that traces the life cycle of plastic and the people leading the fight against it.

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

Surprisingly, the climate-threatening industry is still in a growth mode in some parts of the world. Will that change fast enough to save the planet?

There are specific things we can do to make sure good intentions don’t just transfer environmental harms from one place to another.