Guests: Mike previews the start of the Green on McLean community garden in his own neighborhood. Josh Mogerman from the Natural Resources Defense Council explains how various groups and governmental agencies are coming together to pressure the Metropolitan Water Reclamation District to clean up the Chicago River. Amy Beltemacchi and Seamus Ford talk about how they have helped to put together Root Riot Urban Garden Network on the west side of Chicago. Martha Boyd from Angelic Organics Learning Center analyzes potential changes to Chicago zoning codes to accommodate urban agriculture.