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Chloride-based de-icers have a chilling effect on vegetation

Dear EarthTalk: Are road salts and other de-icing chemicals bad for the environment? And if, so are greener alternatives available? —Jane Willis, Fairfield, IA Nov. 15. Traditional de-icers, particularly chloride-based compounds such as sodium chloride, magnesium chloride and calcium chloride, can have various detrimental effects on the environment. According to the Minnesota Stormwater Manual, chloride-based […]

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