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Scientists conclude that permafrost melting may not be as devastating as predicted

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Earth’s permafrost is thawing and the consequences for the planet are concerning. Scientists estimate that 1,330 billion to 1,580 billion tons of organic carbon are stored within the permanently frozen soil of the Arctic and subarctic regions. As the Earth’s temperature increases, the previously frozen soil releases its long-trapped greenhouse gases into the atmosphere. This creates a positive feedback loop, in which these gases then further warm the climate, which then melts more permafrost, and so on. Over the past thirty years, the Arctic has warmed twice as fast as other regions and its thawing permafrost could accelerate the effects of climate change. While scientists have been aware of this cycle for quite some time, researchers have recently clarified how the powerful destabilizing effect of melting permafrost will unfold. In short, it could be worse. Read the rest of Scientists conclude that permafrost melting may not be as devastating as predicted Permalink | Add to del.icio.us | digg Post tags: Arctic , arctic permafrost , arctic thaw , arctic thawing , Climate Change , climate change research , effects of climate change , global warming , global warming permafrost , permafrost

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Scientists conclude that permafrost melting may not be as devastating as predicted


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