Upper Mississippi Named 'Most Endangered' River of 2020 by Environmental Group
At a Glance The group American Rivers compiles an annual list of the 10 "most endangered" rivers.Climate change is a threat to the upper Mississippi.Some areas that faced historic flooding last year are again at risk. The upper Mississippi River has been named the "most endangered" river in America by the environmental group American Rivers. The group has been releasing its of the 10 most fragile riverways each year since 1998. The upper Mississippi, which flows through Illinois, Iowa, Minnesota,...