Tell another fable.

http://www.sfgate.com/cgi-bin/articl...#ixzz11iqEfuN9

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estimates of nitrous oxide were too high by a factor of 4.5 and its estimate of particulate matter was off by a factor of 3.1

Read more: http://www.sfgate.com/cgi-bin/articl...#ixzz11mqgs47m