2 items about the global rise of methane –
LINK – http://youtu.be/z5N9TnnYmB4
And Elizabeth Kolbert’s scary 2005 3 part series in The New Yorker, “The Climate of Man”. Part one has all about the melting of the permafrost. Way under the ice (now disappearing) is peat moss like stuff that spontaneously combusts because it is exposed to air … melting more ice.