Changes to regulations about critical habitat and consideration for economic interests threaten to upend more than 45 years of conservation success. But the worst may still be to come.

While the Trump administration continued its anti-environmental policies, the planet experienced its hottest month in recorded history. But are the winds starting to shift?

A sweeping “circular economy” bill in the California legislature aims to drastically reduce plastic waste and boost domestic recycling.

States that share the river’s water finalized a big agreement last month, but an even larger challenge determining the river’s future is just around the bend, expert John Fleck explains.

Most dam removals take years, often decades, of political, ecological and financial wrangling. A new book, Same River Twice, looks at three dam removals and what made them possible.

Major reforms are needed to the federal program that assesses flood risk, but Congress just punted — for the 11th time — on an opportunity to fix it.

Elected officials won’t care about environmental issues unless environmental voters turn out to the polls.

There’s much to learn from local efforts — and good reasons why they’ll need to be part of the process, experts say. But can states do it on their own?

Experts have recommended how the United States can drastically curb the use of throwaway plastics with new federal legislation. 

Dr. Warren Washington, who helped pioneer climate modeling, has seen science advance, even as policies to meet our climate challenges have lagged.