The E.P.A. proposed new rules for assessing pollution that would make it easier for power plants to release mercury and other toxic substances. Friday, December 28, 2018 1:05 PM EST

The long-term impact of President Trump’s new proposal would be significant: It would weaken the ability of the E.P.A. to impose new regulations in the future by adjusting the way the agency measures the benefits of curbing pollutants, giving less weight to the potential health gains.

read more at https://www.nytimes.com/2018/12/28/climate/mercury-coal-pollution-regulations.html?emc=edit_na_20181228&nl=breaking-news&nlid=56815370ing-news&ref=cta