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.

Climate change is bringing the tick-borne illness to new parts of the country every year, outpacing data collection and response by the Centers for Disease Control.

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

A plan to lease oil and gas drilling rights on nearly a million acres of land near the Te-Moak Tribe of the Western Shoshone illustrates the consistent lack of government consultation with tribes.

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

What if we’d listened to the researchers who first warned us about plastic pollution in the 1970s?

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.

President Trump promised massive deregulation — and although he’s lost some cases in court, his successes still threaten people’s health and the climate.

State laws and policies in California have made some progress possible, but many tribes still lack legal recognition and struggle to maintain their cultural heritage and the environment.