How do you compare biochar to DAC, or afforestation to enhanced weathering? Plug all the details into Solene Chiquier's galaxy brain, that's how. She's like the Oracle of Delphi (but much less weird). The podcast's paper: https://pubs.rsc.org/en/content/articlehtml/2022/ee/d2ee01021f

A comparative analysis of the efficiency, timing, and permanence of CO 2 removal pathways. Other useful links: https://pubs.rsc.org/en/content/articlelanding/2022/YA/D2YA00108J

CO2 removal and 1.5 °C: what, when, where, and how? - Energy Advances (RSC Publishing) - Royal Society of Chemistry ; Her thesis: https://spiral.imperial.ac.uk/handle/10044/1/100826

A book chapter on her AR framework: https://pubs.rsc.org/en/content/chapter/bk9781839161995-00244/978-1-83916-199-5