Weeds clog Minnesota lakes earlier this yearJune 25, 2010 10:17 AMBy Elizabeth DunbarEurasian watermilfoil isn't new to Lake Calhoun, above, and other Minnesota lakes. But it peaked earlier than usual, getting in the way of swimming and boating.
More evidence of Gulf oil spill washes ashoreJune 25, 2010 6:37 AMMore dirty evidence of the massive oil spill washed ashore along the Gulf Coast for residents who don't need any more reminders of their frustration over failed efforts to stop the crude gushing from a blown-out undersea well.
State to ask 3M to pay for environmental damageJune 24, 2010 1:49 PMBy Stephanie HemphillThe state will ask 3M to pay for environmental damage due to contamination from the company's operations in the east metro.
Cap back after robot nudge stalls oil collectionJune 24, 2010 10:23 AMA cap was back in place on BP's broken oil well in the Gulf of Mexico after a deep-sea blunder forced crews to temporarily remove what has been the most effective method so far for containing some of the massive spill.
Group sues to block cell tower just outside BWCAJune 23, 2010 4:14 PMBy Stephanie HemphillAn environmental group is suing to stop AT&T from building a 450-foot cell phone tower on a high ridge just outside the Boundary Waters Canoe Area.
Single Asian carp found 6 miles from Lake MichiganJune 23, 2010 3:59 PMOfficials say an Asian carp has been found for the first time beyond the electric barriers constructed to keep the dreaded invasive species out of the Great Lakes.
Play4min 21secWater levels in northwestern Minnesota highJune 23, 2010 11:17 AMBy Cathy Wurzer and Dan GundersonRainfall amounts are important this time of year, not only for growing crops around the region, but also to replentish lake levels and groundwater. Portions of northern Minnesota have gotten more rainfall than usual.
Play3min 40secScientists try to find benefits, risks of nanoparticlesJune 23, 2010 11:09 AMBy Dan GundersonScientists in Duluth are hoping to determine how risky nanoparticles could be in lakes, rivers and groundwater, where they could clean up pollution -- or cause it.
Mining on the edge of the Boundary WatersJune 23, 2010 6:53 AMSix mining companies are doing exploration work that could lead to mines near the Boundary Waters Canoe Area Wilderness, and that's got a lot of people concerned.
Play1min 37secRichfield: Hearing nature in the cityJune 23, 2010 12:00 AMAbove the din of cars and planes, the red-winged blackbird sings loud and clear at the Wood Lake Nature Center.