This year’s theme is “end plastic pollution.” That misses the point made by Earth Day founder Gaylord Nelson.

Farmers don't like living near big predators like leopards, but new research shows the carnivores provide a vital ecological service.

The Interior Department is narrowing protection for migratory birds to cover only deliberate harm such as hunting, but not threats like development or pollution that kill millions of birds yearly.

With the Climate Listening Project, filmmaker Dayna Reggero offers people a chance to talk — and be heard.

Settler colonialism in Arizona is ongoing. It continues to harm both the planet and indigenous peoples.

Recent lawsuits filed to save the monument’s unique fossil heritage may also protect modern wildlife.

Introduced rabbits threatened the unique birds of Chile’s Humboldt Penguin Natural Reserve. But after a century of devastation, hope has returned.

African elephant populations have already fallen from 26 million to 350,000. Is extinction next?

An added 25-cents-per-gallon fuel tax would hurt consumers, but something different could benefit the environment.

There’s little talk of actually building a physical wall, though, and more discussion of cameras, facial recognition and other technology.