I tell people to work on the practical side - like the MBAs in Sustainability - but also on your inner life. You need emotional and spiritual capital because you're effectively standing outside the existing system.
I adore city life, but recognize that living and working together in close quarters presents huge challenges - and that it's not going to get easier as we continue to grow and welcome people from around the world.
What's a New Radical? Someone who's found a way to put the skills acquired in her career to work on the world's greatest challenges. Here are five organizations that can help you become a New Radical in 2010.