American colleges compete to be greenest of them all
Kate Zernike Higher education can't resist a ranking: best college, best cafeteria, biggest endowment, biggest party school. It says something about what's important on campus, then, that when the Princeton Review releases its annual guide to colleges this week, it will include a new metric: a "green rating,' giving points for things like "environmentally preferable food,' power from renewable sources and energy-efficient buildings.