In late July, Environmental Protection Agency Administrator Lee Zeldin appeared at an auto dealership in Indianapolis, just ...

The agency proposal would rescind the landmark “endangerment finding,” which states that greenhouse gases are a threat to ...

Truck makers question California's authority to amend or enforce its Advanced Clean Truck rules and challenge the viability ...

Like any regime that categorizes, line-drawing problems arise, and there is a modest body of lower court caselaw. Calumet and Oklahoma mark the Supreme Court’s first foray into this matter.

The Clean Air Act of 1970 is a U.S. federal law intended to reduce air pollution and protect air quality. The act—which underwent major revisions in 1990 and 2003—deals with ambient air ...

Beaver County, PA. - A Shell plastics plant in the Ohio River Valley has been issued three new High Priority Violations (HPVs) as of June, bringing the facility to a total of six violations in 2025, ...

The federal government is ignoring long-standing law and decades of science, and weakening our ability to pursue a prosperous ...

With a new proposal, the Trump Administration, which has already laid waste to dozens of programs aimed at limiting climate ...

The Environmental Protection Agency (EPA) has made a courageous and necessary decision in proposing to rescind the 2009 Endangerment Finding for greenhouse gas (GHG) emissions. EPA Administr ...

We're fighting a deliberate, calculated campaign not just to deny climate change but also to destroy all the progress we were ...

But in this moment the Clean Air Act is about to get more complex. The Obama administration has moved to regulate carbon dioxide, a near-ubiquitous substance, under the law.

As the Clean Air Act turns 50, all our leaders need to commit to protecting it, recognizing its important role in combatting climate change and make good on the promise of clean air for all.