The Seventh Generation blog has a great approach to helping consumers live greener, healthier lives. In a recent blog post they have categorized green living tips by effort required, making it easy for people to pace themselves if they're feeling overwhelmed. "Light Green" initiatives are the easiest, a good place to start. The tips progress to "Medium Green" then along to "Dark Green" for the most involved or impactful.
While what initiative goes with what shade of green is debatable, recognizing that not all green living efforts are created equal and that we should all set the dark green list as our ultimate goal make this approach practical and useful.