Green Business:

WRI's Sohn, CEI's Lewis discuss 'green lending' -- banking and enviro policies

Should banks consider environmental effects when making loans for big projects? Are they living up to their promises and policies on green lending? And how much input should shareholders and environmental groups have in the process? Jon Sohn, World Resources Institute senior associate, and Competitive Enterprise Institute senior fellow Marlo Lewis discuss lending and the environment, what's working and what's good business.