Obama issued a rule to help confused consumers. His successor killed it.

Coal ash ponds are contaminating groundwater across the country, but the consequences are unclear because the government doesn't monitor them.

More than 40 people inhaled radioactive dust while working for a company whose vice president is now advising Scott Pruitt.

The high schoolers' success in changing corporate behavior on guns is a lesson for how to win the fight against global warming.

The EPA administrator has become the de facto spokesperson for a fringe version of Christian environmentalism.

The agency's cash- strapped inspector general shouldn't have to choose between administrative scandals and programs that protect public health.

Some of his policies may hurt the solar industry, but the market's steady growth shows he has little power over it.

The EPA insists he needs luxurious seats because of death threats—but the agency won't answer reporters' follow-up questions.

Third-grade reading proficiency has plunged in the lead-poisoned city, setting off a debate about the possible causes.

Sparsely populated, low-income communities across the country suffer from polluted water—an injustice expected to worsen under Trump.

EPA head Scott Pruitt has revived a tired talking point to cast doubt on global warming.

A climate-denying coal lobbyist is close to becoming the agency's deputy administrator. Why aren't Senate Democrats sounding the alarm?

The water crisis facing the drought-stricken South Africa city is only a preview of things to come—even in the United States.