Polymet, the company that's been working for more than four years on environmental review for a proposed copper-nickel mine in northeastern Minnesota, has hired a new CEO.
The owners of 85 acres on Pine Island in Lake Vermilion have agreed not to divide or develop their land, which will create permanent habitat for fish, orchids, and old-growth pines near the newest Minnesota State Park.
The federal government has proposed a tighter standard for fine particles in the air and the Twin Cities metro, as most cities in the country, is already on track to meet it.
Researchers say they now have at least a partial explanation for the decline in the wolf population on Isle Royale in Lake Superior.
A new report that mountain lions are slowly expanding their range eastward returning to areas where they were killed off a century ago.
Last year, the Minnesota Deer Hunters Association asked members to send in reports and photographs from trail cameras of cougars. The vast majority of the photos were decidedly something else.
The Wisconsin Department of Justice is weighing a penalty to be imposed on two sand mines for large spills in the St. Croix River.
Minnesota is warming faster than most other states, according to a new report from the non-profit group Climate Central.
The air in the Twin Cities generally meets state and national quality standards -- except for the occasional day when pollution can shoot up. But the U.S. Environmental Protection Agency is expected to announce new rules soon.
The Minnesota DNR has issued a report quantifying the economic harm that could be done if Asian carp migrate north of the Twin Cities.
The federal government Wednesday gave $1.6 million in grants to the St. Paul Port Authority to redevelop contaminated properties.
An environmental group and a lake association are suing the state, claiming the Minnesota Pollution Control Agency has failed to enforce water quality standards in Lake Winona.
Residents of south Minneapolis joined with federal, state, and city officials Tuesday to celebrate completion of a massive arsenic cleanup program.
Lakeshore homeowners could save money because the Minnesota Pollution Control Agency has decided to piggy-back on Department of Natural Resources rules for pesticides used to control aquatic weeds.
A new report commissioned by The Nature Conservancy says Minnesota spends nearly $8 million a year fighting aquatic invasive species.