Biden’s Push to Buy Green Meets Resistance From Cities, States

The snowstorms that walloped the US in January sent thousands of salt trucks onto the roads, scattering a cheap, readily available mineral that does a good job of melting ice — but at a high cost to the environment.

Road salt causes $5 billion in corrosion damage every year to bridges, roads and cars, according to the Environmental Protection Agency. It also leaches into drinking water supplies, wilts crops, kills wildlife and eats away at infrastructure, possibly including the pipes that contaminated the water in Flint, Michigan, in 2014.

Jared Day, an entrepreneur in Brooklyn, has a solution: a solar-activated, biodegradable coating ...