Yishan has done the math and apparently the most economical way to extract and store carbon is reforestation through solar power desalination, which just became economical for the first time. Excited to see this project develop. 

https://twitter.com/yishan/status/1392052766256766980 …
hope they help out by ringing forests on the edge in places like madagascar, the amazon rainforest, and indonesia
https://youtu.be/3X3kDNvPxyQ
