Carbon time-bomb Siberia threatens catastrophic climate change

Express: Experts have said thawing permafrost in little-known peat bogs in the frozen Russian wilderness could expedite the global warming process. Vast swathes of marshland in Siberia are starting to emit greenhouse gases 30 times more potent than carbon dioxide into the atmosphere. The threat comes from bogs around the size of mainland France which absorbed carbon dioxide over thousands of years before freezing over during the last Ice Age. Now for the first time in 11,000 years, the thick permafrost......

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