Guests: Wally Schmidtke from Pesche's Garden Center in Des Plaines, IL. has solutions for dealing with cucumber beetles in the summer garden. Joel Greenberg and Steve Sullivan from the Chicago Academy of Sciences and its Peggy Notebaert Nature Museum work on Project Passenger Pigeon in anticipation of the 100th anniversary of the bird's extinction. Martha Boyd from Angelic Organics Learning Center puts Chicago Mayor Rahm Emanuel's proposed urban agriculture ordinance into perspective.

Guests: Brenda Haas of BGgarden blog and LaManda Joy of The Yarden preview the Twitter Garden Party in Chicago in anticipation of the Independent Garden Center Show at Navy Pier. Filmmakers Brian Ashby and Courtney Prokopas talk about their documentary Scrappers, which will be shown at a fundraiser for the Chicago Recycling Coalition on August 18. Organic farmer Kim Marsin at Sweet Home Organics explains how she and partner Rachel Reklau are switching fields--that is, planting in areas that have been organically recharged with cover crops.

Guests: Brian Ashby and Courtney Prokopas are two of the filmmakers who shot the movie Scrappers. It's a documentary about two metal scavengers in Chicago scrambling for a living with brains, brawn and two battered pickup trucks. Roger Ebert gave the film 3 1/2 stars. It will be shown at a fundraiser for the Chicago Recycling Coalition on August 18 at the Logan Square Kitchen.