New research indicates that road salt applied on icy roads and that runs into rivers remains toxic not just in winter, but throughout two-thirds of the year. Continue Reading →
Ohio officials have built an artificial wetland to help prevent blooms of toxic algae in Grand Lake St. Marys by filtering runoff from a nearby creek. Continue Reading →
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A long winter and a wet spring are a recipe for manure management headaches and potential water quality threats in the Great Lakes region.
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State programs for regulating and preventing farm runoff are falling short, according to a new report (PDF) from the Environmental Law and Policy Center and Mississippi River Collaborative. Farm runoff is a problem because it carries nutrients like nitrogen and phosphorus from fertilizers into lakes and bays. Once there, the nutrients can contaminate drinking water or fuel algae blooms that muck up beaches. Bacteria that break down dead blooms use up oxygen and leave behind dead zones where wildlife can’t breathe. State programs to control runoff don’t work as well as they could because they are either underfunded or aren’t mandatory, the report says. Continue Reading →
A month of satellite images of Lake Erie shows a dramatic transformation.
Check out this series of images that starts with an ice-covered lake that quickly cracks apart.
As the days progress you can see the annual spring mixing of fine-grained mud that is stirred from the lake bottom and suspended in the water column. Continue Reading →
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(MN) Minneapolis Star Tribune – Can a lake-loving state with snow-cursed highways go on a low-salt diet? Joe Wiita in Prior Lake thinks so, and he’d like your city to mix up a batch of his anti-icing cocktail and try it on a street near you. (more…) Continue Reading →
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(MN) Minnesota Star-Tribune – Shoreview is betting on a new “green” concrete paving method that lets rainwater pass right through the street surface to prevent damaging runoff. (more…) Continue Reading →