Earth Day Quiz: Test Your Knowledge, Win a T-shirt!

To celebrate the week leading up to Earth Day, we’ve put together a series of quizzes that will put your environmental knowledge to the test. Of those who participate, 100 will win Earth911 T-shirts (sustainably produced, of course!) and another 1,000 will get an Earth911 sticker. Check back each day for a new quiz, and let us know in the comments which facts surprised you.

Earth911 Earth Day T-shirt

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