Ecological sustainability through alternate energy technologies [Helmut Burkhardt, ISSS 1998 Plenary Session, July 21/98]

[Plenary session, July 21/98, 10:50 a.m.]

Helmut Burkhardt, Ryerson Polytech, Toronto

Diagram: Global ecosystem Planetary substance accounting: Sustainability: Actual state of the world: What are we doing to do about the sustainability of our ecosystem? Role of physical energy in solar systems Energy language: Energy and Entropy Laws Energy is the ultimate connection between society and the environment. Adaptation of Ehrlich's formula: Aggravating energy problems: Everything ruled out except direct solar, and efficiency. Total exergy needed is 5 kW per person.

Questions

Howard Odum: says solar is too diffuse. (Published in a journal).



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