Concern grows that contaminated sludge may have harmed some area farms

Treated sludge has been used on at least several dozen sites in Androscoggin, Oxford and Franklin counties over the years.

EPA recognizes Lewiston-Auburn's new waste technology

Bill Adams, one of Maine's environmental pioneers, dies at 89

Clean Water Act has transformed Androscoggin River over past 45 years

Environmentalists to celebrate Clean Water Act in Lewiston on Tuesday

How the opioid crisis has created a pollution problem

Mainers have a right to clean air

Maine’s congressional delegation opposes repeal of coal rule

Brunswick sees financial gain in failing landfill

M. Michaud: More government regulations