Dianne Kopec, a research associate with the University of Maine Senator George J. Mitchell Center for Sustainability Solutions, spoke with the Bangor Daily News about upcoming efforts to extract, bury and dredge mercury in the Penobscot River. “You don’t let it sit there,” said Kopec, who previously conducted a study on mercury pollution in the read more Kopec discusses mercury cleanup in the Penobscot River with the BDN