If you knew that giving up one of your precious electronics would help save the Earth, would you?Don’t lie – a new survey claims fewer than half of Americans would give up their iPods. Specifically, only 42 percent would be willing to, according to the study, conducted by The Shelton Group.And Apple-haters shouldn’t get too smug. iPod owners weren’t even close to the worst offenders.In answer to the question, “If you thought these things were harming the environment, which of the following would you be willing