More than 50 oil trains a week now pass through Minnesota, and other rail traffic is increasing as well.
Delays in moving grain to market cost Minnesota farmers more than $100 million.
Checking docks and boat lifts as they are pulled from the lake is a good way to find new zebra mussel infestations.
In a letter to the U.S. Army Corps of Engineers, Gov. Mark Dayton said agency should not allow the project to proceed until Minnesota can complete an environmental impact statement.
The state is seeking $500,000 to fund a program aimed at keeping up with increasing oil shipments and train traffic. Although the Federal Railroad Administration has sole authority to regulate railroads, state inspectors can work under the federal agency.
The Minnesota fields offer a clear look at how Fargo-based Offutt, the nation's largest potato grower, is rethinking the way it uses pesticides.
BNSF is adding hundreds of locomotives to its fleet, hiring thousands of workers and laying new track to bring rail supply and demand back into balance, according to company officials.
For years, scientists have studied honeybees to assess the connection between their declining population and the use of pesticides, declining habitat and disease. But until recently, they paid little attention to Minnesota's native bees.
Flooding has uncovered three of seven Enbridge Corporation pipelines that cross the river, pipes that largely carry crude oil from Canada across Minnesota. Although the pipelines generally are buried three to four feet below ground, in some places erosion has exposed them to the elements.
A DNR official said the state has successfully required DNR permits for numerous federal flood control projects that affect Minnesota rivers.
Douglas Yentsch jumped in Nichols Lake after his two young grandchildren fell off the inner tube he was pulling behind a paddle boat. The children were wearing lifejackets, but panicked.
Environmental Protection Agency officials insist new exemptions will ease and clarify regulation on agricultural land. But some farmers are concerned that the new rules will give federal regulators an expanded role on farmer's fields.
The DNR stocks about 25,000 muskie in as many as 30 lakes each year.
Data collected from 34 sites across North America allowed researchers to quantify the decline in frog populations for the first time. They found that between 2002 and 2011 all frog populations were down nearly four percent.
More than 175 Minnesota lakes and rivers are now infested with zebra mussels, an invasive species that can push out native mussels.