Space shuttle Endeavour has never been the greenest of projects -- I mean, consider how much gas it takes to circle the planet 4,600 times. Sure, blah blah the majesty of the final frontier, but that thing's tailpipe makes a Chinese factory look like a wind turbine. Now, even in retirement, Endeavour is managing to come up with new things to hate on, because its final journey will kill 400 trees.
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