Why? One molecule of methane is 30 times worse for capturing heat than one molecule of carbon dioxide. But this number is debatable, for others show factors up to 72. Then, in 20 years, the methane gets oxidized into...carbon dioxide, and continues to contribute. Planet Venus has an atmosphere of carbon dioxide. Methane, incidentally, is almost all of natural gas. Fracking? Something to definitely watch.
Anyway, here is the real problem about METHANE. Through the lifetime of Planet Earth, ocean life has died, dropped to the bottom of the ocean and decomposed into methane and other compounds. Much of this methane, because of pressure and temperature (low) conditions, are trapped by ice and become a methane hydrate. That is methane ice burning: It is said that there are many times more energy in these deposits than all the known coal, natural gas and oil on land. Unfortunately, most of these methane hydrates are located in the vicinity of the Ring of Fire, where undersea volcanic eruptions and most of the severe earthquakes occur:
By the way, Hurricane Linda at 135 MPH suddenly appeared in the eastern Pacific
Looks like a definite weakening and path towards Hawaii.
I continue to be intrigued about Typhoon (former Hurricane) Kilo, now at 75 MPH, which began south of Hawaii and now is getting close to Japan:
That's Japan to the left. All signs show weakening and a move north, parallel, but sufficiently distanced, from land.