In May 2024, the Biden-Harris administration finalized the first-ever federal limits on greenhouse gas emissions from ...

Transalta 730-MW coal-fired power plant in Centralia, Wash., is one of a handful of aging U.S. facilities ordered by the Trump administration to stay open beyond their useful life. February 20, 2026 ...

EPA proposes repealing limits on coal and gas plant emissions. Mercury and toxic pollution rules also set to be weakened. Environmental groups warn of health and climate consequences. Rollbacks align ...

An analysis of EPA data found U.S. power plant pollution rose in 2025, with sulfur dioxide emissions up 18%, nitrogen oxide up 7%, and carbon dioxide up 4%. The Natural Resources Defense Council ...

The Trump administration is reopening a loophole to allow more mercury emissions from some coal-fired power plants, provoking swift denunciations from public health advocates who said the rollback ...

In recent years, analysis of the world’s power plant emissions appears to have centered largely on carbon dioxide (CO 2), mainly because carbon dominates global accounting frameworks and climate goals ...

The U.S. Environmental Protection Agency (EPA) published a pair of proposed Clean Air Act (CAA) rules on June 17, 2025. First, EPA proposed to eliminate all greenhouse gas (GHG) emission rules for ...

In an aerial view, the Mill Creek Generating Station, a coal-fired power plant, is seen from the Valley Village neighborhood on February 14, 2026 in Louisville, Kentucky. Credit - Jon Cherry—Getty ...

Across the United States, a handful of coal- and gas-fired power plants account for a disproportionate share of the nation’s air pollution. These facilities release millions of tons of carbon dioxide ...

Capable new lasers with quantum cascade and tunable diode technologies lay the foundation for accurate, low-maintenance, and fast-response continuous emissions monitoring systems to monitor multiple ...