Courtney White: Grass, Soil, Hope

What if the solution for reducing our collective carbon footprint were right under our feet? Our guest this week on Sea Change Radio believes it is - soil is a natural and planet-healthy repository for CO2. A slight rise in carbon dioxide levels in the soil could help fend off the encroaching warming of the climate. Author Courtney White talks about this as well as the environmental problems caused by today's common farming practices.