Environmentalists are uniting against the independent presidential candidate.

Richard Nixon, the original culture warrior, helped establish Earth Day and poured millions of dollars into conservation, despite his own ambivalence about the environmental movement.

The meat culture war may seem goofy. It’s deadly serious.

It’s been disgustingly co-opted by the likes of ExxonMobil. But it belongs to an environmental movement that fused both radical and mainstream America.

Fewer humans do not a healthier planet make.

Eco-fascism is fashionable again on the far right, thanks to a rise in global temperatures and anti-immigrant nationalism.

If citizens are encouraged to help shape climate justice, they will be far more likely to join the project.

Can civic republicanism help save the planet?

Recent upheavals in the region reflect an electorate that is more eclectic than it is given credit for—and that is up for grabs.

On the author's 200th birthday, what "Walden" can teach us about our own time.