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William Retzlaff, Ph.D. SIUE Department of Biological Sciences Susan Morgan, Ph.D., P.E. SIUE Department of Civil Engineering Serdar Celik, Ph.D. SIUE Department of Mechanical Engineering ISTC 2009 2010 Seminar Series on Sustainability The Path to Curbing Global Warming: Becoming Carbon Neutral March 18, 2010 Sustainable Benefits of Green Roofs

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Outline Introduction Results Runoff quantity Runoff quality Thermal Summary

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Introduction: What are they?

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Why consider them?

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Results: Runoff Quantity

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Mean storm water retention (%) for study period 09/05-04/07 for green roof systems with 5, 10, 15, and 20 cm planted medium depths. (C=Control, P=Planted. Bars with same letter not significantly different at the p