The United States Environmental Protection Agency (EPA) is repealing rules limiting emissions by coal and gas power plants, in a move that undoes decades of protections meant to curb gasses scientists say are responsible for global warming. The agency also proposed a separate rule, expected to be made final next year, that could prevent future administrations from returning and again regulating greenhouse gas emissions from power plants. The lifting of restrictions is sure to be challenged by environmental groups, who say it would come at a cost to the health of Americans and further degrade the environment. officials said the change would allow utilities to make the best decisions for their ratepayers rather than be forced to close aging or inefficient plants.
It will lead to more lost lives and suffering from intense heatwaves, drastic storms and destructive wildfires, just like those we’ve seen this summer,” said Maggie Coulter, an attorney at the Center for Biological Diversity’s Climate Law Institute. The has rolled back a series of environmental oversight rules since US President Trump returned to office in 2025. In February, it revoked a 2009 scientific finding that determined that carbon dioxide and other greenhouse gases threaten public health and welfare, a stance that allowed for regulation of motor vehicles, power plants and other industrial sources of air pollution.
At the time, Trump celebrated the change, calling it “the single largest deregulatory action in American history”. Health and environmental advocacy groups filed a lawsuit challenging the revocation of that finding in February, saying it will risk the health and welfare of US citizens. The rescinding of restrictions on coal and gas power plant emissions announced on Monday is expected to similarly be challenged in court.
This will result in serious health risks for families, our water and air, and the entire planet,” Democratic Senator Patty Murray, who represents the northwestern state of Washington, said in a statement on X. We all need to speak up to stop this.” The announcement on Monday was made on the sidelines of a G20 ministerial meeting in Houston on “energy abundance”. It was both a nod to the important role oil-rich Texas plays in the energy industry and a potential snub of European and other international allies in attendance who have pursued environmentally friendly policies that the Trump administration has moved to undo.
Trump called climate change “the greatest con job ever perpetrated on the world” at a speech to the United Nations last year, and his administration withdrew the US — for the second time — from the 2015 Paris climate accord that sets voluntary goals to curb planet-warming emissions. The US president has boasted of US energy abundance even as the Iran war continues to disrupt global fuel markets and gas prices top $4.31 a gallon ($1.14 per litre), up more than a dollar from a year ago. The rollbacks are meant to fulfill Trump’s repeated pledge to “unleash American energy” and make it easier for utilities to supply electricity for homes and businesses.
The power plant rule is among nearly three dozen environmental regulations that EPA’s Zeldin targeted in early 2025 when he announced what he called the “most consequential day of deregulation in American history”. Zeldin said in proposing the new rules last year that they were meant to end the “war on so much of our US domestic energy supply” by former President Joe Biden and Barack Obama’s administrations. Environmental and public health groups called the rollbacks dangerous and pledged to challenge the rules in court.
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