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.
Residents and cabin owners in northeastern Minnesota were disappointed today when a panel of top officials approved the sale of copper-nickel exploration leases on their land.
A new environmental review sets the stage for more drilling for precious metals in northeastern Minnesota.
Exploration for copper, gold, and other precious metals in northeastern Minnesota has drawn attention to school trust lands created 150 years ago when Minnesota became a state. Millions of acres could be sold, with the proceeds deposited in a trust; or they could be managed by the state, which earns money by leasing logging and mining rights.
Three environmental groups are teaming up to run what they describe as an educational campaign about copper-nickel mining.