Document Shows E.P.A. Plans to Loosen Limits on Mercury From Power Plants

The Environmental Protection Agency plans to weaken a Biden-era regulation that required power plants to slash pollutants, including the emissions of mercury, a neurotoxin that impairs brain development, according to an internal agency document.Lee Zeldin, the E.P.A. administrator, intends to announce the proposed changes within days, according to two people who have been briefed on the agency’s plans. Mr. Zeldin…