Test of Planet-Cooling Scheme Could Start in 2022
Cars That Think
DECEMBER 19, 2021
The quantity of calcium carbonate to be released—about 1 kilogram—won’t be enough to trigger any measurable cooling, and it roughly equals the particle pollution that a large commercial airliner releases every minute of flight, says. That idea didn’t advance, but in 2017, Keith became faculty director of Harvard’s. about 0.6 °C.
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