We plan to remove 4 Gt of atmospheric methane but the YC terms are too high for us. We're just funding it the old fashioned way.
4 Gt is roughly all the anthropogenic CH4, responsible for about a third (or possibly a half) of temperature rise. After that we will continue at a lower level in order to keep curating the level and as a precaution against methane bursts.
4 Gt of CH4 is considered roughly equivalent to 120 Gt of CO2
Do you have evidence that it works in-situ, or any ideas of how to test this in an observable way? If so, there are folks interested.
(I run a climate engineering group to help accelerate mitigation/removal methods.)
Can you say more about your group?