The decision bought officials time to avert economic harm, but raised concern from health advocates about the continued impacts of ozone on Arizonans.

Acting United States Attorney John C. Gurganus reported that Ryan Spencer, 33, and co-conspirators disabled hardware ...

The visit came after he announced sweeping changes to the EPA last month and a week after EPA workers in Denver protested ...

Mass firings and regulatory rollbacks come as scientists routinely determine pollution is far more damaging than previously ...

The president's environmental actions will significantly increase the cost of living for millions of people and bring about ...

This April 22 marks the 55th anniversary of Earth Day. The power of those 20 million voices that came out on the streets that first Earth Day led the United States to create the Environmental ...

The Trump administration wants to rewrite the definition for what counts as protected ‘waters of the United States.' The rule ...

The president wants to weaken limits on tailpipe pollution. Scientists say it’s driving climate change and taking human lives ...

The EPA announced that it would speed up the process by which industry can bypass provisions of the Clean Air Act by emailing ...

As sovereign nations, Native Americans have been able to protect land, water and air, including well beyond their own ...