You hear it all the time: “Save the environment.” But if you’re not a scientist or an involved environmentalist, you may think there’s nothing you can do. Not true. A few simple changes in your home practices will have you--and your savings account--seeing green (CNNMoney.com). In the past year, environmental concerns have become increasingly important to individuals, corporations, and the government. It’s easy to get caught up in the big threats--such as global warming--and