Quoted: Given the amount of salt used on roads, that’s a real problem, according to Hilary Dugan, a professor of integrative biology at the University of Wisconsin-Madison. A 2017 study by her team found that nearly half of the 284 freshwater lakes in their sample in the Northeast and Midwest had undergone “long-term salinization.” One in 10 of them reached a threshold where scientists worry about impacts on aquatic life.
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