After an environmental group filed a complaint on behalf of two Montana residents, state regulators rescinded a crucial waiver.

A few years ago, environmental scientist Elliot Campbell went around asking people why they would, or would not, switch to an electric vehicle. A surprising number of them asked him a question in ...

Opponents are hopeful that a recent ruling by the court to vacate a key permit could eventually shut down the pipeline ...

Texas remade its early warning system after last year's deadly inundation. July's flood revealed what it accomplished — and ...

Panamint Capital broke ground on a $1.7 billion solar and storage project at the Calvert coal mine. The mine and an adjacent ...

As climate change primes the Pacific Northwest to burn, hundreds in Washington state's second-biggest city lose their homes.

While “smoke taint” from last month’s hazy skies isn’t an immediate threat, it comes on the heels of a growing season already ...

Smoky summers are becoming the new normal across the American West, forcing a generation of children to grow up indoors.

A pioneering California law meant to sharply limit use of the familiar “chasing arrows” recycling symbol has been blocked by a federal judge who said it probably violates the First Amendment. In a ...

Over the past week, hundreds of thousands of people in France and Spain fled their homes, many in the dead of night, carrying only what they could. In the coming days and weeks, as evacuation orders ...