Hosts: Tori Hoover and Emma Vendetta Salt: Homer called it “a divine substance.” Plato considered it as the element most dear to the gods, a distinction awarded for its central role in human life. Indeed, our bodies cannot function properly without it. But as the climate changes and warms and shifts in response to industrialization, the role of salt is shifting, too. Salts from human activity, like those in fertilizers and de-icers, are contaminating waterways and changing freshwater ecosyst...