What’s important – Guy McPherson's blog: " In the Arctic Sea, we are seeing even greater changes in methane concentration in a very short period of time. Methane levels diverged from their seemingly constant increase in 2010 and spiked from 1850 ppb to over 2000 (approximately 2100) ppb. Because methane is such a potent greenhouse gas, this could imply that increased methane levels from methane hydrates are having a local warming effect which in turn leads to a further increase in atmospheric methane. If we were to apply this as a linear tendency, it would argue for a concentration of atmospheric methane equivalent to that of the Permian extinction in 2050."
'via Blog this'