An old wooden signpost from a national park is on display in the Natural History Museum, due to having 12 species of lichen ...

Opinion: Hogan Lovells' Sean Marotta and Danielle Desaulniers Stempel explain how the Supreme Court's new two-step rule to ...

"One of the hardest industries to clean up." Massive industry forced to clean up its act after UN officials strike ...

U.S. Attorney's Office asks for dismissal on supervisor's behalf a week after Erie Coke as a corporation pleaded guilty to ...

To really make America healthy, the administration should strengthen, not weaken, air quality protections—and that starts ...

U.S. Attorney's Office in Pittsburgh asks judge to dismiss case against David Stablein, ex-supervisor at Erie Coke who pleaded guilty to conspiracy to violate Clean Air Act and is awaiting sentencing.

U.S. Attorney's Office in Pittsburgh asks judge to let Erie Coke plant superintendent enter pretrial diversion program and no ...

Trump’s legislation will hurt clean energy, boost fossil fuels and end investment in environmental justice. Climate advocates ...

If every district court judge in the United States had the power to halt an action of the elected government for years every ...

The U.S. Supreme Court delivered setbacks to environmental interests in a series of recent rulings including by further ...

The market for “big ideas” depends far more on demand than supply, and the craving in the Democratic Party for the next new ...

Republicans’ tax and policy bill could give China a bigger lead in the race to develop renewable energy technologies.