What Happens to All the Salt We Dump On the Roads?In the U.S., road crews scatter about 137 pounds of salt per person annually to melt ice. Where does it go after that?
Salt can be harmful for the environment, as salts kill plants, ruin soils and is toxic to many species within stream ecosystems. Sand is often used in place of salt but must be used sparingly as sand clogs storm drains, and destroy the habitat in streams through the increase of sedimentation in the waterways. There [...]