The EPA wants power plants to reduce roughly 30 percent of their carbon emissions by 2030.
Federal officials say two Xcel contractors in 2013 willfully violated procedures and falsified records involving checks on welding material used to seal spent nuclear fuel at Xcel's Monticello, Minn., nuclear plant.
Fertilizing crops emits a potent greenhouse gas, and a new University of Minnesota study shows officials have been underestimating those emissions by as much as 40 percent.
Minnesota cities use rain gardens and other "green infrastructure" to keep stormwater from polluting lakes and rivers. Inver Grove Heights is putting that science to use on a massive scale.
The project will help offset increased energy demand from all the gadgets office workers have added since the skyscraper was built in 1972, before energy efficiency became a priority.
The study, published Wednesday, involved multiple years of data on 64 grassland sites around the world.
A report finds that two forms of air pollution contributed to thousands of deaths and hundreds of hospital stays in 2008.
From dry cleaning fluids to auto body shop paints, everyday chemicals can taint the air. In Minneapolis, officials are studying this type of pollution and working to reduce it.
Mining waste mixed with water and road debris made its way into 15.3 acres of wetlands, roughly the size of 11 football fields.
Legislators and others voiced their disappointment, saying they'll try to bring the board back.
Pope Francis called for people to reduce waste, switch to cleaner forms of energy and redefine progress and development. Minnesota Catholics say the challenge will be converting his words to action.
The growing scientific knowledge on climate change needs to make its way to classrooms, the federal government's coordinator on climate change education told Minnesota teachers this week.
The Minnesota Pollution Control Agency Citizens' Board, once one of the state's most powerful citizen bodies, will shut down next week, the victim of a special session legislative deal.
The decision lets Canadian pipeline company Enbridge move forward on the Sandpiper line. It could still take months to approve Sandpiper's route across Minnesota.
The Minnesota Public Utilities Commission hears testimony today on whether the Sandpiper pipeline proposed by Enbridge Energy is needed to transport North Dakota crude to refineries in the Midwest.