..........climate geoengineering involves spraying a sulfuric acid cloud in the upper atmosphere in hopes of cooling down the global temperature.

As part of research, the scientists conceptualized a scenario where airplanes would spray five million tons of sulfur dioxide once a year into the upper atmosphere at the Equator from 2020 to 2070. .......

https://www.naturalnews.com/2019-01-13-climate-intervention-geoengineering-is-a-risky-strategy.html
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