ScienceDaily: Analysis of nearly three decades of air samples from Alaska's North Slope shows little change in long-term methane emissions despite significant Arctic warming over that time period, according to new research published in Geophysical Research Letters, a journal of the American Geophysical Union.
Scientists estimate that Arctic permafrost, a thick layer of frozen soil that encircles the globe, contains two and a half times as much carbon as has been emitted since the dawn of the Industrial Revolution....