We can cut carbon emissions by one third by replacing fossil fuels with renewable energy sources for electricity and heat production." –Lester R. Brown, Janet Larsen, Jonathan G. Dorn, and Frances Moore, Time for Plan B: Cutting Carbon Emissions 80 Percent by 2020
Watch Lester Brown's presentation at the NYT Energy for Tomorrow Conference from April 11, 2012. His panel is the Opening Plenary. Other notable speakers include Thomas Friedman, Steven Cho, Daniel Yergin, and T. Boone Pickins.