excerto de "Integral Ecology and Integral Sustainability - A Brief Introduction"
autores:
Sean Esbjörn-Hargens Ph.D.
Co-Director, Integral Ecology Center
Barrett C. Brown
Co-Director, Integral Sustainability Center
origem "Integral University"
http://multiplex.integralinstitute.org/Public/cs/files/43/sustainability/default.aspx
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