I believe InfiniteNow has addressed this post well, but I'd like to add a few things
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Originally Posted by moyself
Want some proof of this? I happen to have some.
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"At 6 billion tons, humans are then responsible for a comparatively small amount - less than 5 percent - of atmospheric carbon dioxide," he said. "And if nature is the source of the rest of the carbon dioxide, then it is difficult to see that man-made carbon dioxide can be driving the rising temperatures. In fact, I don't believe it does."
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Belief is not proof, not even close. Anyone claiming to be able to *prove* one way or the other is obviously out of touch with reality and the scientific method.
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Compared to man-made sources' emission of about 5 to 6 billion tons per year, the natural sources would then account for more than 95 percent of all atmospheric carbon dioxide, Essenhigh said.
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Have a look at this site:
TRENDS: CARBON DIOXIDE EMISSIONS
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Since 1751 roughly 315 billion tons of carbon have been released to the atmosphere from the consumption of fossil fuels and cement production. Half of these emissions have occurred since the mid 1970s. The 2004 global fossil-fuel CO2 emission estimate, 7910 million metric tons of carbon, represents an all-time high and a 5.4% increase from 2003.
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So the number is actually around 8 Btons of CO2 annually, according to 2004 data.
