Read here about the EPA’s repeal of pollution limits on greenhouse gas emissions from the nation’s fossil fuel-fired power plants. This action eliminates rules the EPA finalized during the Biden administration that required existing coal and new natural gas-fired power plants to significantly reduce their carbon dioxide pollution, starting in the 2030s. Carbon dioxide from human activity is the main driver of global warming. Power plants are the second largest source of planet-heating carbon dioxide emissions in the U.S., behind transportation.