The environmental and legislative accomplishments of Stewart, Mo, and Tom Udall offer a roadmap for recovering from the damage of the Trump administration.

The National Environmental Policy Act makes government decisions better and more democratic, despite what critics claim.

America’s summer celebrations are upon us, and these eight books will inspire environmentalists to act for our country and our planet.

What if a few moderate Republicans stood up and left their party? A bold move could weaken Trump and help democracy and the planet.

The Trump team has launched a three-pronged attack on the environment. We need to understand it if we hope to stand up to it.

New research shows how policies blocking cleaner energy sources, often inspired by persistent disinformation, harm the communities that adopt them.

This month’s best new environmental books provide a healthy dose of hope while also tackling tough topics like pollution, extinction and trauma.

While control of Congress remains unsettled, other races around the country reveal a growing — if precarious — tilt toward climate as a priority.

The health risks from tiny airborne particulate matter may soon face stricter federal regulation. But improving air quality remains a complex challenge.

In a stark contrast to recent election years, voters in just two states will decide on environmental issues this November. But there’s still a lot at stake.