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View Diary: The U.S. is ground zero for climate change (172 comments)

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  •  You've got your facts wrong. (1+ / 0-)
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    Tar sands are not a "drop in the bucket" according to actual scientific analysis of the issue.

    If the current populations of the USA and Canada burnt the 'economically viable' proven oil-sands reserve (170 billion barrels), they would achieve a per capita carbon footprint of 64 tonnes3. This number does not include other sources of carbon emissions, such as coal fired power stations, natural gas usage, conventional crude oil usage, etc, etc. Thus if the populations of the USA and Canada were to extensively utilize the Alberta oil-sands proven reserve, it would almost certainly be incompatible with doing a globally equal share (85 tC) in keeping warming below 2°C. For comparison, the current Chinese population would achieve a cumulative per capita carbon footprint of 16 tonnes, by utilizing the entire Alberta oil sands proven reserve. This is below the 85 tC 'equal share', but of course does not include other emissions sources. These figures should be borne in mind before committing to large scale, long term oil-sands infrastructure projects such as the Keystone XL and Northern Gateway pipelines.

    Passive renunciation is not the whole of wisdom.

    by play jurist on Mon Feb 18, 2013 at 03:38:50 AM PST

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