During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across ...

While presenting a series of executive orders conceived to increase electricity generation from coal, President Donald Trump ...

The Labadie Energy Center and the Sioux Energy Center in Missouri will have two extra years to limit emissions of mercury and ...

The actions follow an executive order last week by President Donald Trump aimed at boosting the struggling coal industry, a ...

Canceled grants and shifting federal priorities are halting progress — and prompting a legal fight to protect climate initiatives and health.

In nearly 30 years, the United States has never failed to send the United Nations its data on planet-warming pollution. This ...

Under the Clean Air Act, commercial trucks, school buses, and vehicles in federal emissions testing areas still need regular inspections.

A West Texas oil executive will go to prison for violating laws meant to protect workers — actions that led to the deaths of ...

States will have fewer compliance problems with coal-fired power plants and other sources of haze-forming emissions like sulfur dioxide and soot.

President Donald Trump signed an executive order on Tuesday targeting state-level climate policies – including Washington ...