An estimated 140,000 tonnes of rock salt is used each year across the Region of Waterloo, according to Eric Hodgins, manager of hydrogeology and water programs. However, he said that the region is ...

This rock salt is similar to table salt, made up of sodium and chloride, but coarser. It dissolves quickly on the road, leaving the chloride to enter nearby waters through runoff and leaching.

Sprinkling salt on the road or sidewalk after snowfall can make conditions safer for drivers and pedestrians, but can cause harm to local waterways and wildlife, London, Ont., researchers say ...

Salt has long been more than just a seasoning — it is a symbol of history, culture, and preservation, particularly in the Caribbean. For centuries, it has played a vital role in survival, trade ...