How can we achieve a year-to-year drawdown in the concentration of CO2 in the atmosphere? Learn about the first truly systematic attempt to weigh the most effective existing solutions and technologies, and what we can do for them to be scaled up over the next 30 years. With: Paul Hawken; Amanda Raven-Hill, Executive Director, Project Drawdown; rancher John Wick, co-founder of the exem- plary Marin Carbon Project.

Recorded Saturday, October 17, 2015 at the National Bioneers Conference in San Rafael, California.