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"\"We're part of nature and as we destroy nature, we destroy ourselves. It's a selfish thing to wanna protect nature.\" So starts this short advert for the American"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/change-the-world-for-better-dont-leave-home-without-that-thought.html>