Millions are spent every year to control the spread of aquatic invasives, but countless new species pose a future threat to Minnesota's lakes and rivers.
Two shrimp fishermen from the Gulf Coast traveled to Minnesota last weekend to spread the word about how the dead zone of the Mississippi River is affecting their livelihood.
Are aquatic invasives primarily a nuisance, or do they cause serious damage to lakes? Are invasive species going to destroy the fisheries, as predicted? And, if not, does the impact justify all the money going into it?
The utility submitted plans Thursday for a pilot program to sell renewable natural gas. It would be one of the country's first such programs if state regulators sign off on it.
Container giant Maersk will send one of its ships through the Arctic on the Northern Sea Route to test its feasibility as a new, time-saving shipping lane.
The Trump administration's plan to allow states to regulate their own carbon emissions isn't expected to have much of an effect on Minnesota's energy generation, because a transition away from coal was already in progress.
The Trump administration is proposing to substantially weaken President Obama's signature rule on climate change. It would give states more power to regulate carbon emissions from coal plants.
Oil and gas pipeline opponents have a new legal strategy. They're encouraging states to exercise rights granted in the Clean Water Act to stop new pipeline construction.
In 2014, the Legislature took the unusual step of setting aside $10 million each year to distribute to the counties fighting invasive species. Counties are using that money to expand boat inspection programs, but also trying some innovative approaches.
The Minnesota Pollution Control Agency issued yet another air quality alert on Monday, warning Minnesotans about the ongoing dangers of particulates in the air from wildfires burning in Canada.