Oregon’s attempts to curtail diesel emissions are in jeopardy following a state decision to delay enforcement of the Advanced ...

With the possible exception of springtime pollen, there are few things more predictable in Washington than the opportunism ...

Environmental groups warned the proposals would pave the way for more oil and gas industry activity on public lands.

Pollution regulations began after the Environmental Protection Agency formed in 1970. The Trump administration has recently ...

The rule delay comes as the Republican-controlled Congress is working to revoke California’s Clean Air Act waivers — the same ...

The Center for Biological Diversity (“CBD”) filed a May 8th Clean Air Act Title V Petition to Object (“Petition”) before the United ...

Court documents show that CARB intends to repeal the ACF regulations related to so-called "high-priority" fleets and drayage ...

Operators of a hazardous waste incinerator in East Liverpool and the U.S. Environmental Protection Agency are at odds over ...

Utah counties are struggling when it comes to clean air, according to a new report from the American Lung Association and ...

Better wood and better stoves are key components of cleaner air in a cold-weather region where atmospheric inversions trap ...

A U.S. House of Representatives reconciliation proposal from Republicans would impact several key clean energy tax credits ...