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"During your lifetime, the people of our culture are going to figure out how to live sustainably on this planet--or they're not. Either way, it's certainly going to be extraordinary." - Daniel Quinn

About Phil Loring

Find out more about Dr. Phil Loring, his students and research at the University of Guelph, and the inspiration for his work.

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The ΔS Philosophy

The Conservation of Change (ΔS) is a principle for sustainability rooted in both traditional wisdom and the laws of thermodynamics.

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