"The EPA has taken at least 15 major actions on air pollution—all to delay, weaken or repeal protections, and all opposed by leading public health groups."

"Three required scientific reviews for federally regulated air pollutants are on hold due to EPA delays and Administrator Scott Pruitt’s November shake-up of the external air quality science board that advises the agency."

"Environmental Protection Agency Administrator Scott Pruitt said Tuesday that EPA is not planning to set stricter fuel economy standards beyond 2025 and questioned whether states such as California should be able to enact their own tougher emissions rules for cars and light trucks."

"Despite evidence that southeast Wisconsin is violating new and tougher emissions standards for smog, state officials are asking the Trump administration to set aside a recent federal finding and conclude the state is complying with the law."

"A federal court on Monday ordered the Environmental Protection Agency to implement protections against smog set in 2015, the latest defeat in court by the agency as it rolls back environmental regulations."

"The House on Wednesday continued to pick apart Obama-era environmental regulations, taking aim at a pair of rules limiting emissions from the brick industry and on indoor wood heaters."

"The barn where David Hughes raises chicks on his Shenandoah Valley turkey farm smells mostly like the wood shavings he spreads across the floor for bedding. And that may be an important clue in a farm regulation battle that's about to come to a head 118 miles to the east in the nation's capital."

"The Clean Air Council has filed notice it will sue the U.S. Environmental Protection Agency unless the agency forces the Allegheny County Health Department to review and issue long overdue operating permits for many of the county’s biggest industrial air pollution sources."