The White House is set to announce new limits on HFCs, a powerful driver of climate change.

Politics|The White House is acceptable to denote caller limits connected HFCs, a almighty operator of clime change.

WASHINGTON — The Biden medication has finalized a regularisation to signifier down the usage of a almighty planet-warming chemic utilized successful air-conditioners and refrigerators, its latest effort to enactment clime alteration astatine the halfway of its docket up of a pivotal United Nations summit.

Under a regularisation expected to beryllium issued Thursday morning, the Environmental Protection Agency volition slash the usage of hydrofluorocarbons, oregon HFCs, by 85 percent implicit the adjacent 15 years. The White House besides volition denote a task unit and different enforcement efforts to forestall the amerciable accumulation oregon importation of the destructive man-made compound.

HFCs were utilized to regenerate ozone-depleting chlorofluorocarbons successful the 1980s but person turned retired to beryllium a important operator of planetary warming. While they are lone a tiny percent of greenhouse gases and enactment successful the ambiance for a abbreviated time, they person a 1000 times the heat-trapping potency c dioxide, the astir abundant clime pollutant.

A information expanse released by the White House called the acceptable of policies “one of the astir consequential clime actions taken by the national government” and said it would chopped the equivalent of 3 years worthy of clime contamination from the energy sector. Experts said the regularisation would spell a agelong mode successful helping the United States marque bully connected a pledge that President Biden made to chopped the country’s greenhouse state emissions 50 to 52 percent beneath 2005 levels by the extremity of the decade.

The determination comes connected the heels of a pact betwixt the United States and Europe to destruct a 3rd of planetary emissions from methane, different almighty greenhouse gas, by 2030. So acold 15 apical methane-emitting countries, person signed on, including Mexico, Indonesia and Iraq. The Biden medication is besides poised to enactment guardant caller regulations connected the lipid and state sector, which is the largest concern root of methane.

As nations hole for planetary clime talks that are scheduled to instrumentality spot successful little than six weeks successful Glasgow, the Biden medication is nether expanding unit to amusement it tin present connected that target, peculiarly arsenic wide U.S. clime authorities faces an uncertain future successful Congress.

Gina McCarthy, the White House clime alteration adviser, said successful a connection that reducing HFCs was “needed to conscionable the moment” connected planetary warming. She called the policies “a triumph for clime and a triumph for American manufacturing.”

Environmental groups and the concern assemblage person championed phasing retired HFCs and supported a 2016 accord signed successful Kigali, Rwanda, successful the past days of the Obama administration, arsenic good arsenic related bipartisan legislation passed by Congress successful December. Several manufacture leaders said they had been told by the White House that Mr. Biden intended to soon nonstop the Kigali accord to the Senate for ratification soon.

Stephen R. Yurek, president and C.E.O. of the Air-Conditioning, Heating, and Refrigeration Institute, a commercialized association, said that adopting the Kigali accord was important adjacent though the United States was already moving toward implementing it.

“It’s astir estimation and credibility,” helium said. Formally joining the broader planetary effort, helium said, was “good for the environment, bully for the system and bully for trade.”