KEY POINTS
  • The Environmental Protection Agency is ordering a sharp cutback in the the use and production of hydrofluorocarbons, or HFCs, the climate-warming chemicals widely used in air-conditioning and refrigeration.
  • The move is the Biden administration's first major regulatory action to reduce domestic greenhouse gas emissions.
  • The agency will start phasing down the chemicals next year and gradually curb production and importation by 85% over the next 15 years.
U.S. Environmental Protection Agency Administrator Michael Regan testifies before a Senate Appropriations Committee Interior, Environment, and Related Agencies Subcommittee hearing on the EPA's budget request on Capitol Hill in Washington, June 9, 2021.

The Environmental Protection Agency is sharply curbing the use and production of hydrofluorocarbons, the climate-warming chemicals widely used in air-conditioning and refrigeration.

The move is the Biden administration's first major regulatory action to reduce domestic greenhouse gas emissions. It's also the first time the federal government has set national standards on hydrofluorocarbons, or HFCs, which are thousands of times more potent than carbon dioxide at heating up the planet. The EPA said the rule could avoid up to 0.5 degrees Celsius of global warming by the end of the century.