Book: World on the Edge (2011) Free PDF
World on the Edge: How to Prevent Environmental and Economic Collapse
Λεπτομέρειες πλοηγού
(Βοήθεια)
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The Global 21st Century »The Global 21st Century
The Challenges We Face  »The Challenges We Face
Perspectives on the CECs »Perspectives on the CECs
Can a collapse ... be avoided? (2012) »Can a collapse ... be avoided? (2012)
Book: World on the Edge (2011) Free PDF
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