EPA Air Chief Bill Wehrum Abruptly Departs Amid Ethics Probe

Bill Wehrum, the Environmental Protection Agency’s air pollution chief who oversaw key rollbacks of Obama-era climate regulations, is stepping down amid an ethics probe into his ties to former industry clients.

The EPA announced the departure of its powerful assistant administrator for the EPA’s Office of Air and Radiation in an abrupt press release on Wednesday, indicating that Wehrum had long planned to leave the agency.