Can You Build a Carbon-Efficient Supply Chain?

"Green" aspirations top the business agenda in 2008, and that starts with an examination of a company's supply chain. But determining the carbon footprint of any supply chain is a complicated, expensive and uncertain endeavor. In this story on CIO.com, Thomas Wailgum talks to researcher Edgar Blanco from MIT, among others, about how to get started, and what we still need to learn.