57- Photovoltaic Canopies: Thermodynamics to Achieve a Sustainable Systems Approach to Mitigate the Urban Heat Island Hysteresis Lag Effect. Jay S. Golden, Director Sustainable Materials and Renewable Technologies Program Arizona State University Main Campus P.O. Box 873211 Tempe, Arizona 85287-3211 Phone / Fax: +1-(480) 965-4951 / (480) 965-8087 Email: jay.golden@asu.edu