In response to Al Gore's film, my prof brought out a point that CO2 is not exactly the main greenhouse gas that we should be wary of. The scariest greenhouse gas is methane, which is 20 times stronger as a greenhouse gas as compare to CO2. However, where does methane come from? They're all hidden quietly, a ticking time bomb buried in the Arctic tundra. When global warming has caused the earth's temperature ot rise above the threshold for these hidden time bombs, a sudden emergence of methane called a 'methane burp' will occur. Then.. will humans survive that episode?
Read the full article on Methane Burps: Ticking Time Bomb. A follow up article is also available here
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