25 settembre 2008 - 15:52
September 23 this year marks an unfortunate milestone: the day humanity will have used all the resources nature will generate this year
http://www.footprintnetwork.org/gfn_sub.php?content=overshoot
http://www.footprintnetwork.org/gfn_sub.php?content=maps_page
http://www.unimondo.org/article/view/159543/1/3940
http://www.retelilliput.org/modules.php?op=modload&name=News&file=article&sid=535&mode=thread&order=0&thold=0
http://www.project10tothe100.com
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