Methane Rising

There have been some concerns that a warmer Earth could trigger a huge release of methane from deposits in Arctic permafrost.

clipped from blogs.nature.com Levels of carbon dioxide in the atmosphere increased by 0.6% last year according to NOAA. Perhaps more worryingly methane levels also rose, for the first time since 1998. Methane is a far more effective global warmer than carbon dioxide and last year saw another 27 million tonnes of it in the atmosphere after a decade of no change (click methane graph left for longer term trend graph).