They are a unique ecosystem for studying global warming dynamics.
Updated: February 27, 2012, - 10:25 AM
Bill would limit citizens' ability to delay controversial projects. Legislation would limit the power of local activists to stall big projects.
Updated: February 21, 2012, - 10:38 PM
The company's Silver Bay taconite-processing plant emitted excessive dust about 30 times over 12 months.
Updated: February 16, 2012, - 10:14 PM
EPA urges a thorough look at potential environmental effects of the mine in a wild and scenic corner of Minnesota.
Updated: February 10, 2012, - 09:40 PM
Critics say the shift is a misinterpretation of voters' will in passing amendment.
Updated: February 07, 2012, - 11:14 PM
Blood samples showed surprisingly elevated concentrations.
Updated: February 02, 2012, - 11:04 PM
Compound found in east metro water linked to weaker immunity.
Updated: January 25, 2012, - 11:31 PM
Turbines planned near Red Wing would endanger protected species.
Updated: January 23, 2012, - 08:37 AM
The project will offer farmers incentives to clean up runoff, but critics say voluntary efforts haven't worked. Gov. Mark Dayton is expected to announce Minnesota's leading role in the project today.
Updated: January 17, 2012, - 09:26 AM