"Japanese company says used with biomass plant, negative net emissions achievable."

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"Compensation is a central issue in considering the possible future deployment of solar geoengineering [1] for two reasons. First and most obvious, corrective justice would require compensating those who are harmed. Second, without a credible compensation mechanism, many states would likely oppose deployment by imposing high short-term costs such as trade or financial sanctions on would-be deployers."

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Strassburg, Bernardo B. N.; Iribarrem, Alvaro; Beyer, Hawthorne L.; Cordeiro, Carlos Leandro; Crouzeilles, Renato; Jakovac, Catarina C. et al. (2020): Global priority areas for ecosystem restoration. In Nature. DOI: 10.1038/s41586-020-2784-9.

"Here we develop and apply a multicriteria optimization approach that identifies priority areas for restoration across all terrestrial biomes, and estimates their benefits and costs. We find that restoring 15% of converted lands in priority areas could avoid 60% of expected extinctions while sequestering 299 gigatonnes of CO₂—30% of the total CO₂ increase in the atmosphere since the Industrial Revolution."

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Horton, Joshua B.; Lefale, Penehuro; Keith, David (2020): Parametric Insurance for Solar Geoengineering: Insights from the Pacific Catastrophe Risk Assessment and Financing Initiative. In Global Policy. DOI: 10.1111/1758-5899.12864.

"Parametric insurance, which delivers payouts when specific physical indices (such as wind speed) cross predefined thresholds, was recently proposed by two of us as a compensation mechanism for SG with the potential to ease disagreements about the technology and to facilitate cooperative deployment; we refer to this proposal as reduced‐rate climate risk insurance for solar geoengineering, or ‘RCG’. Here we probe the plausibility of RCG by exploring the Pacific Catastrophe Risk Assessment and Financing Initiative (PCRAFI), a sovereign risk pool providing parametric insurance coverage against tropical cyclones and earthquakes/tsunamis to Pacific island countries since 2013."

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