Direct effects of CO2 emission could be aggravated by indirect factors, with temperatures in the Arctic rising twice as fast as in the rest of the world, permafrost soils thaw potentially releasing vast amounts of carbon dioxide (CO2) and methane (CH4) to the atmosphere.

The warning comes in research from a study undertaken by the University of Eastern Finland and the University of Montreal, in cooperation with researchers from various Nordic research institutions.

Although e degree and timescales of the effects are not known, it adds to the case for taming carbon emissions before a potential ‘domino effect’ is instigated.

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