State of the World 2013 : Is Sustainability Still Possible?
The Worldwatch Institute The Worldwatch Institute
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Vital Signs Volume 20 : The Trends that are Shaping Our Future
The Worldwatch Institute The Worldwatch Institute
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Format: eBook (EPUB)
Vital Signs Volume 21 : The Trends That Are Shaping Our Future
The Worldwatch Institute The Worldwatch Institute
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Format: eBook (EPUB)