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Re: Independent Audit Supports Official U.S. Surface Temperature Record
Quote:
Originally Posted by Andrewl
And i would add that this is not even up for dispute. CO2 released from soil, ocean, and volcanic sources is different from CO2 released from the burning of fossil fuels. There are different isotopes of the carbon molecule that can be measured in the atmosphere, and we can see that one isotope (non-fossil fuel carbon) has decreased while the other (fossil fuel) has increased. The surplus of CO2 is from human activity, without a doubt.
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If you have a link that tracks the different types of CO2 and gives a historical record of the percent (or amount) in the atmosphere, can you post it? I'd like it for reference. I searched for this yesterday and couldn't find any useful links.
Kramer
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Albert Shanker, former president of the American Federation of Teachers
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