This pro geologist (James Conca) is talking about it. His favorite option is crushed shells/limestone. The side-effect is that they reduce ocean acidification.

This pro geologist (James Conca) is talking about it. His favorite option is crushed shells/limestone. The side-effect is that they reduce ocean acidification. https://www.forbes.com/sites/jamesconca/2019/09/10/solar-geoengineering-we-better-do-it-or-well-burn/ https://www.forbes.com/sites/jamesconca/2019/09/10/solar-geo...