The Trump administration is expected to revoke the program, setting up a legal clash between the state and federal government ...

The U.S. Environmental Protection Agency (EPA) proposed new standards on November 22, 2024, to significantly tighten nitrogen oxides’ (NOx) ...

New research highlights a disturbing connection between long-term exposure to air pollution and a heightened danger of deadly ...

EPA’s recently strengthened Clean Air Act rules on ozone-forming volatile organic compound emissions were the first update ...