EPA rolls back power plant emissions limits, citing cost savings

The US Environmental Protection Agency has repealed rules that limited greenhouse gas emissions from coal and gas power plants, a move officials say will save over $300bn and boost energy infrastructure. Environmental groups have vowed to challenge the decision, warning it will worsen climate change and public health. The agency also proposed a rule to prevent future administrations from reinstating similar regulations.
The announcement arrived alongside a G20 ministerial meeting in Houston centered on "energy abundance," underscoring the administration's alignment with fossil fuel interests in oil-rich Texas. The EPA's action follows February's revocation of a 2009 scientific finding that greenhouse gases endanger public health, which had served as the legal basis for regulating emissions across multiple industries.
The proposed companion rule would effectively bar future administrations from reimposing similar emissions limits, a structural change extending beyond the current rollback. Legal challenges are expected from environmental groups, mirroring the February lawsuit filed by health and advocacy organizations over the revoked endangerment finding. Critics point to this summer's extreme weather as evidence of mounting climate risks.
This rollback could significantly increase greenhouse gas emissions from power plants, potentially accelerating climate change impacts such as heatwaves, storms, and wildfires. Communities near coal and gas facilities may face heightened air quality and health risks. Ratepayers could see short-term savings, but long-term costs from climate-related disasters and healthcare may offset those gains. The rule preventing future reinstatement could lock in these effects for years, affecting international climate commitments and global cooperation.