When roads are built in grizzly habitat, bears come into conflict with humans more often. A new report explains what’s necessary to keep the bears from dying.

In Idaho, a breathtaking new reserve promises to preserve the darkness — and shows how other communities can follow.

Only one male has turned up at the birds’ breeding grounds this year — and he’s too young to breed.

The Blue Marble is turning into a glowing globe – and in many places that’s becoming a problem for human health.

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

Anyone who disregards the threats of climate change “is stupid,” says retired Lieutenant General John G. Castellaw.

The rules, bemoaned by auto manufacturers, would have reduced carbon dioxide emissions by 540 million metric tons.

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.

With environmental regulations under attack and EPA budgets being slashed, can the destruction of the agency be prevented?

Eco-books coming out this March include volumes about Rachel Carson, environmental destruction, plant-based diets and radical resistance.