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Thursday, March 15, 2007
Presidential campaigns go 'green'
WASHINGTON (CNN) -- First it was former Iowa Governor Tom Vilsack.

Now former North Carolina Sen. John Edwards is trying to combat Global Warming by announcing that he is making his campaign "carbon neutral." Perhaps taking a cue from former Vice President Al Gore, more and more presidential candidates are making sure their campaigns are "carbon-friendly," CNN's Internet Correspondent Abbi Tatton reports.

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