(p. A15) Jeff Bezos’ $10 billion commitment to fight climate change, which he announced last week, brings to mind an episode of “South Park” that aired during the financial crisis. A succession of characters put their money into the market only to see it go instantly to zero before their eyes.
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There’s one way Mr. Bezos might make a real splash and possibly even a difference. With his Blue Origin venture he adopted a “just do it” attitude toward spaceflight. Mr. Bezos could adopt the same “just do it” approach to testing the hypothesis that warming could be halted by using aircraft to distribute inert aerosols in the upper atmosphere to block a small amount of sunlight reaching the earth. A highly reputable climate warrior, New York University’s Gernot Wagner, estimates that around $2 billion a year would be enough to offset the warming seen so far. Other researchers have produced similar estimates.
For the full commentary, see:
(Note: ellipsis added.)
(Note: the online version of the commentary has the date Feb. 25, 2020, and has the same title as the print version.)
Gernot Wagner’s aerosol injection research has been published in: