"Methane is like a brief but torrid and ultimately unhappy flirtation with a bad bad girl climate wise. CO2 a long unhappy marriage with no possibility of divorce. That is the message I seemed to get from Pierrehumbert and others on Revkin's effort to be soporific about reality. that seemed to be why they were pushing gas - nobody responded to my pointing out the NCAR study featured on here that showed it did diddly squat."