Environment

New mining opportunities in northern Minn. pose environmental concerns
Northern Minnesota may be on the verge of a major expansion of its mining industry. A key environmental study of PolyMet Corporation's plan to mine copper and nickel is expected in the coming months, but many remain opposed to this kind of mining.
Minnesota takes first steps against invasive ash borer
The first of two open houses in the Twin Cities to help inform the public about the emerald ash borer takes place this evening in St. Paul. Meanwhile, residents in the western part of the city are sweeping up wood chips as crews rush to cut down trees to battle the invasive beetle.
Underground in Emily, a mother lode of manganese
According to mineral experts, one of the largest high-grade deposits of manganese in North America is located on a five-acre site at the edge of Emily, Minn. Manganese is a mineral used in steel and aluminum production.
Obama names Great Lakes 'czar'
President Barack Obama has named Cameron Davis, president of a Chicago-based environmentalist group, to oversee the administration's initiative to clean up the Great Lakes.
For three weekends this summer, the National Park Service will waive entrance fees at more than 100 sites across the country, in an effort to increase tourism and boost the economy.
A great harvest of food movies screening in Minneapolis
Hundreds of people are expected tonight and tomorrow at Minneapolis screenings of a new movie called "Fresh." It's the first of a string of movies due for release this summer about food, and the debate over its place in our lives.
Town holds fundraiser to restore vandalized 'honking tree'
About 50 people gathered for a fundraiser in Two Harbors, for a tree. The famous "Honking Tree" was chopped down by vandals in April - and the folks at the Black Woods Grille and Bar are held a spaghetti dinner tonight to raise money to restore it.
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