Lisa Jackson, the U.S. Environmental Protection Agency (EPA) Administrator, announced Thursday that she will step down after four years with the agency.
Jacksonâs tenure as chief environmental watchdog has been tumultuous at times, and may lawmakers have cited EPA restrictions implemented under her watch as a factor in the eroding of jobs stateside. During her time with the EPA, Jackson oversaw efforts to curb carbon-dioxide emissions, including negotiating fuel-efficiency standards with truck and automobile makers.
Jackson said she will formally resign in January following President Obamaâs State of the Union address.
