Green or not? Test your eco knowledge

Published On: Apr 22 2013 11:27:50 AM CDT   Updated On: Apr 22 2016 01:00:00 AM CDT

As you celebrate Earth Day 2016, find out if you're living as "green" as you think.

CFL light bulb
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Farrah Zakir/Wikimedia Commons

According to, CFL bulbs are about 75 percent more efficient than old light bulbs, but they don't do well in enclosed fixtures and must be disposed of carefully because they contain mercury. Try LED light bulbs instead.

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