Princeton Review Will Issue 'Green' Ratings in Coming College Guide

You can't learn anything about a college these days without hearing about what that college is doing for the planet, whether it is buying local food, or shrinking its carbon footprint. And, it seems, a number of organizations are eager to evaluate these colleges on their efforts.

Grist, Sierra, and Current magazines have had their lists of top green schools. The Sustainable Endowments Institute, run by a 2004 graduate of Williams College, grades colleges in