Stemming the methane leaks from landfills, oil fields, natural gas pipelines and more is one of the most powerful levers we have to quickly slow global warming.
We have an interesting company doing this (high-efficiency landfill methane capture and reformation), if any HNers are interested in joining such a company: https://www.archaeaenergy.com.
Later this year, Archaea will turn on the world's largest garbage-dump-to-nat-gas factory: