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carson - My Blog
carson - My Blog
Global Warming, our fault?
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Global Warming is the increasing heat on the earths surface. It can be caused by the weakening of the atmosphere do to polluting and such. Human activity since the industrial revolution has increased the concentration of various greenhouse gases, leading to increased CO2, methane, CFCs and nitrous oxide. Molecule for molecule, methane is a more effective greenhouse gas than carbon dioxide, but its concentration is much smaller so that its total damage is only about a fourth of that from carbon dioxide. But how do we know that we are really at fault, this seems like to small of thing to ruin a system thats been aroung for millions and millions of years. How do we know that this isn't earths natural cycle? We've only been able to record temperatures for about a hundred years, about 0.001% of earths life.

April 4, 2008 | 11:13 AM Comments  0 comments

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