Earth Day: Are you saving the planet or just showing off? Take our quiz.
Are you a “conspicuous conservationist," someone who goes green not just for the environment, but also to burnish your image as someone who cares? Take our quiz to find out.
Your local hardware store offers two versions of compact fluorescent lights. One version is disguised to look just like an incandescent bulb and costs $4. The other bulb is in the shape of a swirl and costs $5. They are identical in every other respect. Which one do you buy?