3 ms·Doesn't methane have a much more powerful greenhouse effect than CO2 though?by retrac98 10y agoDoesn't methane have a much more powerful greenhouse effect than CO2 though?amatix 10y agoYeah, that's how the 5% becomes 14% equivalent in @jessriedel's numbers.yrro 10y agoYes but it breaks down into CO2 very quickly.