mercury

Are the Northwoods walleye you catch safe to eat, or do they have too much mercury?The answer is tied to several factors, but new research shows a…

ST. PAUL, Minn. — A recommended rollback on standards for mercury and other toxic pollutants drew moms, dads and kids to Washington, D.C., last week to…

Proposed legislation would tighten rules for disposal of mercury-based thermostats. Though no longer made, many households still use them. But if thrown…