Environment

Some energy experts say America should turn to coal as its main source of energy. But coal produces pollution. How to overcome that dilemma? The answer might be found in a new power plant planned for northern Minnesota.

Wild elk once roamed across two-thirds of the Minnesota landscape. Now elk are moving back into the state from Canada.

Utilities are embracing coal as a plentiful, relatively cheap source of energy. But environmentalists say coal-fired power plants remain a major source of air pollution.

Researchers from Bemidji State University are looking into the water quality of a lake that's only recently been developed. They're hoping to use the opportunity to show the long term impacts of residential development on Minnesota lakes.

Life as a beekeeper has been challenging in recent years. Beekeepers are battling the varroa mite. The creature, about the size of head of a pin, has infested bee colonies all over the world.

This diagram shows how global warming occurs.

Coal gasification is a relatively new technology that has been developed to produce electricity more efficiently and more cleanly. Here's how it works.

Extreme drought has lowered water levels on lakes and streams in northern Minnesota. It's creating headaches for boaters and putting stress on some plants and wildlife.

A new crude oil pipeline will not be built across the land of one of Minnesota's oldest organic farms. The farm, Gardens of Eagan, has agreed to a settlement with the Minnesota Pipeline Company that would redirect part of a proposed 300-mile-long pipeline around the farm.

American RadioWorks and Marketplace documentary, "Rebuilding Biloxi," marks the one-year anniversary of Hurricane Katrina. The producers of the program have made many trips to Biloxi, Mississippi over the last year, and one of them has made another visit.