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According to what I assume is a 100% scientific pie chart the leading cause of global warming is fire. So I don't know why this guy is concerning himself with air travel.

http://i.imgur.com/AvIHovx.jpg

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What do you feel that this adds to the discussion? Seriously - if you want to express yourself, please do so in a way that adds to the conversation.

(I realize that this very comment of mine also does not add anything.)

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