New York City's East River is polluted and has higher than average carbon dioxide levels
Ed Rooney/Alamy
On November 14th, I toured a shipping container packed with tubes and wires on the banks of the East River in New York City. It's a testing ground for a startup called Vycarb, which recently started adding crushed rock and other chemicals to the water to remove carbon dioxide from the atmosphere.
On one side of the vessel was an hourglass-like device that mixed a thin stream of calcium carbonate mineral powder with water drawn from below. This alkaline gray-green slurry is then…
Source: www.newscientist.com
