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Xcel Energy tackles the ongoing tritium leak at Monticello Nuclear Power, with updates on safety and groundwater management for local residents.

Minnesota officials have warned a federal agency that a proposal to streamline water quality laws would cripple their authority to protect drinking water, streams and wildlife from dozens of new projects each year.

The Environmental Protection Agency says it has finished monitoring the air at the site of a recent oil refinery explosion in northwestern Wisconsin and found no elevated levels of anything toxic.

Minnesota is set to receive nearly $47 million under the federal government's settlement with Volkswagen over its emissions scandal.

A Minnesota Pollution Control Agency staff member involved in the environmental review of the Sandpiper oil pipeline won't be disciplined for emails containing a disparaging tone about the project.

An administrative law judge holds hearings Thursday on proposed revisions to Minnesota's rules against degradation of its waters.

A federal lawsuit that's led by a central Minnesota beekeeper is seeking to make the Environmental Protection Agency label insecticide-coated seeds as a pesticide.

The Environmental Protection Agency says the final environmental review for the proposed PolyMet copper-nickel mine adequately addresses comments it made about earlier drafts of the massive document and says its remaining concerns can be addressed later.

Clean air advocates, the U.S. Environmental Protection Agency, and a subsidiary of Xcel Energy have reached a settlement that will reduce emissions from the Sherco plant in Sherburne County.

The Environmental Protection Agency has reached a tentative settlement with four iron mines in Minnesota and Michigan that's aimed at reducing haze over pristine areas including Voyageurs and Isle Royale national parks and the Boundary Waters Canoe Area.