March 14th, 2026
This CBC “Just Asking” conversation with Saroja Coelho on Rethinking Road Salt breaks down how millions of tonnes of salt keep our roads safe while quietly salting our lakes, rivers, groundwater, and even our infrastructure. It also explores alternative ways to de-ice winter roads without flooding our ecosystems with chloride.
Shelley Arnott is a Professor in the Department of Biology at Queen’s University and the Director of the Queen’s University Biological Station. Joe Salemi is an Executive Director with Landscape Ontario.
Have a listen here 🎧👉 https://www.cbc.ca/listen/live-radio/1-1424-just-asking/clip/16203190-rethinking-road-salt