Carbon purchasing already exists. Voluntary purchases like Frontier: https://frontierclimate.com/ https://frontierclimate.com/ and many other corporate buyers.

Carbon purchasing already exists. Voluntary purchases like Frontier: https://frontierclimate.com/ https://frontierclimate.com/ and many other corporate buyers. Regulatory cap-and-trade markets like CA ARB LCFS: https://en.wikipedia.org/wiki/Low-carbon_fuel_standard https://en.wikipedia.org/wiki/Low-carbon_fuel_standard