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"Every time we have a post on Treehugger about air travel, we end up creating a huge debate (witness here and here for just two examples). While the exact numbers are up for debate, there is certainly an increased focus by many on the climate impacts of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/float-plan-another-way-to-avoid-the-plane.html>