Tina Arrowood: A circular economy for salt that keeps rivers clean | TED Talk

, Tina Arrowood: A circular economy for salt that keeps rivers clean | TED Talk, TheCircularEconomy.com

During the winter of 2018-2019, one million tons of salt were applied to icy roads in the state of Pennsylvania alone. The salt from industrial uses like this often ends up in freshwater rivers, making their water undrinkable and contributing to a growing global crisis.

Source: www.ted.com

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