100-Mile Diet

What kind of diet reduces miles rather than calories? Alisa Smith and James MacKinnon's 100-Mile Diet, which has taken off as a new way to think –- and eat -– locally. We'll talk with Alisa about the challenge she and James set for themselves: to eat only food produced within 100 miles of their British Columbian apartment for one year. Can eating locally really help save the planet?

Here on Earth: 100-Mile Diet