Dozens of these water-filtering species are at risk of vanishing, and that’s bad news for every living creature that relies on them.

The Trump administration is backing away from treaty mandate to “give preferential attention to the solution of all border sanitation problems.”

State regulators tried to get the future president to address problems on two golf courses. They got a lesson in how he handles regulatory challenges.

With environmental regulations under attack and EPA budgets being slashed, can the destruction of the agency be prevented?

Mystery untreated sewage appears in Mexico just across the border from an Arizona wastewater-treatment plant, city official says.

Ecotourism brings valuable funds for conservation to the islands, but it also delivers a torrent of garbage that could damage this unique ecosystem.

Eco-books coming out this March include volumes about Rachel Carson, environmental destruction, plant-based diets and radical resistance.

President Trump and Congress ignore the nation’s poorest residents along the U.S.-Mexican border, where an environmental health crisis threatens millions of lives.

Trump’s proposed budget wipes out funding for numerous programs devoted to climate change, public lands and sustainable energy.

Burn, baby, burn: Experts express fear about the enormous climate impact of this boom in new fossil fuel development.