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A comment on $100M xPrize for Carbon Removal. Parent comment

Re:$100M xPrize for Carbon Removal by fouc on Tuesday July 13, 2021 @11:49PM (#27829508)
When you say rain in the Sahara would be useless, are you saying it's already a carbon sink or something? After all it seems that rain in the Sahara would eventually cause forests to grow, given a few years.
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Re:$100M xPrize for Carbon Removal by hedora on Wednesday July 14, 2021 @12:07AM (#27829611)
Top soil takes a long time to form. I imagine most of the water would go into the aquifer.
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