David Berdish has been called the sustainability guru of the Ford Motor Company and, no, that's not an oxymoronic title. Concentrate digs in with the car company's green advocate and discusses how a member of the Big Three can promote sustainable practices, champion mass transit, and still hold true to their business mission. He also talks about Michigan's need for leadership when it comes to developing public transportation.

Math professor by day, burrito maker... by day. Mark's Carts has not only attracted interesting on-the-go cuisine to downtown, it's inspired unconventional owners as well. Concentrate's Tanya Muzumdar chats with Dr. Paul Kessenich, owner of Darcy's Cart, about juggling his academic responsibilities with the demands of food cart culture.

It's hardly a surprise that the University of Michigan is considered a world-class institution with deep political connections. But with the urgent concerns of today's economic policies, the Obama Administration, in particular, has reached out to Ann Arbor for guidance, expertise, and advice.

It was 50 years ago, on October 14, that Senator John F. Kennedy stood on the Michigan Union steps and delivered his famous Peace Corps proposal stump. This week we'll hear from Michael Drake, director of corporate relations for U-M's College of Engineering, on the implications of having an international perspective and his own experiences while volunteering in Krygyzstan.