Salt-speckled sidewalks, driveways and highways are synonymous with winter in the Great Lakes region. But while road salt is highly effective at deicing surfaces, the safety that salt provides for humans places a heavy burden on freshwater ecosystems.
“We have an unhealthy addiction to road salt,” said Claire Oswald, a hydrologist and associate professor at Ryerson University in Toronto, Ontario.
Great Lakes Now
https://www.greatlakesnow.org/2021/02/road-salt-reducing-usage-great-lakes-freshwater-ecosystem/