Here are some handy videos!
http://www.escapistmagazine.com/videos/view/the-big-picture/3390-Going-Green-Part-I
http://www.escapistmagazine.com/videos/view/the-big-picture/3536-Going-Green-Part-II
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~LtM
http://s2.postimage.org/b5uk2qonn/1311348940941.gif