Best corporate citizens: Hotels | cnn.com

On the surface, the largest hotel firms should be standard bearers for corporate citizenship. After all, they make their money introducing guests to new cultures and pristine landscapes, so they have an interest in preserving the environment and supporting the local community. They spend billions each day on heating and water, and as the ubiquitous notes in hotel bathrooms urging us to save our towels can attest, they are acutely aware of the...