1. The Enviromental Tipping Point
The main green house gas carbon dioxide (CO2) has continued to increase from its preindustrial concentration of approximately 278ppm to over 391ppm in September 2012 (IPPC, 2007). ... The main concern about permafrost is that when it melts, the large quantity of carbon it contains is sent back to the atmosphere as methane and carbon dioxide, also there is presence of a frozen compound called clathrates beneath the permafrost and it may be destabilized and will ultimately result in the release of methane and carbon dioxide, the melting is an irreversible ecological landslide a vicious circular ...
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- Approx Pages: 10
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- Grade Level: Undergraduate