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
Press teleconference recording of Lester Brown on Plan B Update "U.S. Carbon Emissions Down 7 Percent in Four Years: Even Bigger Drops Coming." Posted November 2, 2011.