The Dirt on Plastic with Dr. Mary Beth Kirkham

Interview at 18:43. Just as the second half of the 20th century was all about the plastic revolution, the 21st century is going to be, among other things, about how we can clean up the world from the plastic revolution.

On this edition of Green Street Patti and Doug welcome soil biologist and educator Dr. Mary Beth Kirkham, a Distinguished Professor in the Department of Agronomy at Kansas State University. Dr. Kirkham has discovered how tiny plastic particles in soil are interfering with our food supply, and why it could turn out to be a big problem for our health and safety.

America’s Food Crisis with Ronnie Cummins

America's food system is in crisis. Our combined food decisions drive world politics, enrich multi-national corporations, cause skyrocketing rates of diabetes, heart disease and cancer, and accelerate our already perilous climate situation. On this edition of Green Street, Patti and Doug welcome friend and colleague Ronnie Cummins, founder and international Director of the Organic Consumers Association, an organization that has been fighting for common sense food policy for more than 25 years.

The Key to Healthy Outdoor Grilling

Denise Snyder of Duke University talks with Patti and Doug about how to safely grill food outside to avoid creating harmful chemicals.