New Alternative to Road Salt

Snowy, icy roads are a fact of life around the Great Lakes. For years,
de-icing salt has been the weapon of choice to keep roads passable
during the winter months. But the runoff from road salt can pollute
surface and ground water, contaminating wells and causing problems for
fish populations. So researchers have been looking for alternatives.
And now, there’s a new one that looks promising. The Great Lakes Radio
Consortium’s Wendy Nelson reports: