Ronald Wright, Joel Gershon and Gregor Siebock
- Sunday, 10 April 2005 11:06
Betsy’s guests today are Ronald Wright, Joel Gershon and Gregor Siebock
Ronald Wright is the author of "A Short History of Progress"
Joel Gershon reports on eco-celebs.
Gregor Siebock tells about his hiking around the world for the Blue planet footprint campaign. LISTEN