"If his deregulatory actions survive judicial scrutiny, Aaron Szabo will have played a key role in reshaping EPA’s regulatory power."
"Aaron Szabo, the head of EPA’s air office who has overseen a dramatic scaling back of climate regulations, is leaving the agency.
Szabo will exit EPA, the agency’s press office confirmed on Tuesday. Just shy of a year ago, he was confirmed by the Senate to the powerful post leading the Office of Air and Radiation.
“We are grateful for Aaron Szabo’s tireless work to Power the Great American Comeback,” EPA spokesperson Brigit Hirsch said in a statement. She noted under Szabo’s leadership, the air office rescinded the 2009 endangerment finding on greenhouse gases, calling it “the largest deregulatory action in American history.”"
Alex Guillén, Kevin Bogardus, and Zack Colman report for E&E News July 7, 2026.
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