The dispute centers around EPA’s decision that 21 states’ plans for ozone pollution failed to meet federal Clean Air Act ...

President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

The Supreme Court appears poised to keep at least some Clean Air Act disputes in federal courts outside of D.C. — preventing what at least one justice described as “home court advantage” for the ...

Arguments over the proper jurisdiction for cases related to ozone pollution and biofuel mandates proved complicated for the ...

States and refineries asked the justices to clarify venue rules for challenging the Environmental Protection Agency’s actions ...

At issue is whether biofuel blending and state ozone plan cases should be heard in regional courts potentially more favorable ...

The justices on Wednesday will review a decision by the U.S. Court of Appeals for the Fifth Circuit that struck down as ...

BRIEFING: US Supreme Court considers where Clean Air Act challenges should be heard; US states should rethink industrial decarbonisation plans, reduce reliance on fe ...

EPA studies have confirmed that clean air regulations improve air quality over time. Other studies have shown that the health ...

Based on the announcement, EPA will go through the formal rulemaking process to overhaul the 2009 Endangerment Finding. The rulemaking process can be lengthy, often taking months or even years, and is ...

Harris County, Texas filed a March 10th Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency ...

Despite President Trump’s rollback of climate policy, some Republicans and business leaders say clean energy can help his ...