In this video I explain the natural cycles and a scientific consensus on what sustainability is. This builds on the work of doctor Karl-Henrik Robèrt and The Natural Step, you can read more about his research here: http://en.wikipedia.org/wiki/Karl-Henrik_Rob%C3%A8rt. This scientific consensus has been peer reviewed, scrutinized and refined over more than 20 years.
Brundtland commission: http://en.wikipedia.org/wiki/Brundtland_Commission
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