When winter storms threaten to make travel dangerous, people often turn to salt to melt snow and ice. Road salt is an important tool for safety, but a new study warns that introducing salt into the environment — for de-icing roads, fertilizing farmland or other purposes — releases toxic chemical cocktails that create a serious and growing global threat to our freshwater supply and human health.
Click here for original story, Road salts and other human sources are threatening world’s freshwater supplies
Source: ScienceDaily