Yearly, we put thousands and thousands of tons of salt onto roads all over the world.
As you stroll via the picturesque streets of Krakow, Poland’s Outdated City in winter, chances are you’ll encounter an intoxicating aroma. In 2021, metropolis officers took a novel method to managing icy roads and trails, utilizing used espresso grounds donated by native cafes rather than salt sometimes utilized by park rangers. .
This fragrant substance is an try to deal with the rising concern that the sand that covers roads each winter is having a damaging affect on the atmosphere. Particularly, it can undermine freshwater ecosystems, that are already essentially the most endangered on Earth. “Given present developments, there’s a good probability that many freshwater ecosystems will turn out to be salinized to the purpose of pretty extreme ecological impacts throughout the subsequent 50 years,” he says. Bill Hintza freshwater ecologist on the College of Toledo in Ohio.
Why does highway gravel include salt?
Each winter, we unfold tens of thousands and thousands of tons of salt on roads all over the world to decrease the melting level of ice and preserve roads clear for motorists. We additionally present leisure. In Scotland, a fleet of 230 glitters has been given a humorous identify by the general public. “Snowcially Distanced,” “Grittney Spears,” and “Sure Sir, Ice Can Boogie.”
However what’s turning into more and more clear is the extent to which highway salt is leaching into valuable freshwater ecosystems, endangering biodiversity and threatening consuming water…

