We are. Most work focuses on GHG (Green house gases) or Co2E (CO2 equivalent which includes methane and other gases). You'll see methane listed specifically as

We are. Most work focuses on GHG (Green house gases) or Co2E (CO2 equivalent which includes methane and other gases). You'll see methane listed specifically as a reason to cut red meat (because cow farts are a major source of methane) for instance. https://en.wikipedia.org/wiki/Global_warming_potential https://en.wikipedia.org/wiki/Global_warming_potential