EPA

The nongovernmental panel of experts found that particle pollution regulations aren’t protecting public health, but that's not the only worrying trend at EPA.

A database lets U.S. residents get quick information about water contaminants and health threats, but there are some bigger issues to consider, too.

Regulatory rollbacks are just one small part of the Trump administration’s efforts to limit the effectiveness of the Environmental Protection Agency, but there’s a whole lot more, says a career agency staffer.

Revoking California’s ability to set stricter air-pollution standards also misses three important benefits to California and the nation.

To meet ambitious climate goals, L.A. needs more local water. A critical step is battling the ghosts of industry past — polluted groundwater that dates back to World War II.

The government shutdown could have long-lasting environmental effects, as could several other actions taken by the administration over the holidays.

Trump’s “take no prisoners” deregulatory strategy carries big litigation risks.

Experts fear oil and gas development could permanently damage millions of acres of ecologically and culturally important public lands.

A former EPA engineer calls it “the most spectacular regulatory flip-flop in history.” Other experts say the resulting emissions increase would bode ill for the planet.

A change in the way the Supreme Court thinks about the role of the EPA and other agencies could dramatically weaken environmental protections.