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Biden Administration Moves to Tighten Limits on Deadly Air Pollution

The New York Times · Coral Davenport · last updated

WASHINGTON — The Biden administration on Friday proposed to tighten limits on fine particulate matter, a deadly air pollutant also known as soot.

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More than 30 years after the last major update of the Clean Air Act, the U.S. Supreme Court has upended the ability of Congress to give the Environmental Protection Agency and other federal agencies broad scope to combat air pollution, including the emission of greenhouse gases. Meanwhile, further Biden administration efforts to limit emissions face opposition in the courts. 

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