When Evelyn Padham of West Milford, N.J., paid her $45 telephone bill to MCI last month, she did so with the comforting thought that $2.25 was going to help save the environment. Padham switched her phone service from Sprint this summer largely because MCI was offering new customers the opportunity to donate 5% of their monthly telephone bills to any of four major conservation groups: the Nature Conservancy, Ducks Unlimited, the National Audubon Society and the National Wildlife Federation. "I'm not real involved in the environmental movement," says Padham, "but this is something I can do to help."
With polls showing...