Over the last twenty years, the survey area in the Arctic Ocean has never seen anything quite like this: 20 times the average amount of carbon dioxide has been bubbling to the surface. While studying the seabed, they discovered “torch-like structures”, possibly numbering in the thousands. In theory, there could be hundreds of millions of tones of methane under the Arctic permafrost, which is shrinking quickly, and as it does so, this could release the gas beneath the surface, and damage the atmosphere.
((Article at: http://www.independent.co.uk/environment/climate-change/shock-as-retreat-of-arctic-sea-ice-releases-deadly-greenhouse-gas-6276134.html))
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