Adrian Grenier
<p>Adrian Grenier educates and inspires audiences with tips for living a sustainable lifestyle and contributing to an eco-friendly culture.</p>
<p>Best known for his role as Vincent Chase in the hit HBO series <i>Entourage</i>, Adrian is an accomplished filmmaker, producer and director as well. He has also become a leading advocate for integrating sustainability into pop culture.</p>
Robert Glennon
<p>Robert Glennon is the go-to resource for any group that wants to understand why protecting our water supply is as much an economic issue as an environmental one.</p><p>With his deep grasp of the scientific, historical, economic and legal issues associated with America's water predicament, Robert gives audiences a comprehensive understanding of why a water shortage is imminent and what it will take to save the country's dwindling supply.</p><p>Robert expertly captured the tragedy and irony of the water crisis in his <i>New York Times<