The East River in New York City is polluted and has higher than average levels of carbon dioxide
Ed Rooney/Alay
On November 14th, I visited a shipping container full of pipes and wires along New York’s East River. It’s the testing ground for a startup called Vycarb, which recently began adding crushed rock and other chemicals to water to remove carbon dioxide from the atmosphere.
On one side of the container, an hourglass-like device mixed a fine stream of calcium carbonate mineral powder with water pumped from below. This alkaline, grey-green slurry was then released…
