Green or not? Test your eco knowledge

Published On: Apr 22 2013 09:27:50 AM PDT   Updated On: Apr 22 2014 07:18:29 AM PDT

As you celebrate Earth Day 2014, find out if you're living as "green" as you think.

compact fluorescent light bulb
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Replacing incandescent light bulbs with compact fluorescent (CFL) bulbs

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