Guardian: The carbon bomb stored in the thawing Arctic permafrost may be released in a slow leak as global warming takes hold, rather than an eruption, according to new research.
Scientists at the US Geological Survey (USGS) found previous predictions of a catastrophic release of carbon dioxide and methane into the atmosphere as permafrost thaws may have been overstated.
But the impact on the climate of future permafrost emissions remained significant. More than 1,000bn tonnes of carbon are stored...