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Top 5 Ways to Save the Planet with Bicycles

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What Do the Numbers Inside Recycling Symbols on Plastic Items Mean?

What Do the Numbers Inside Recycling Symbols on Plastic Items Mean?

What do the different numbers inside a recycling symbol on a plastic container mean? HowStuffWorks investigates.


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Sources

  • "28 Reasons to Bike." University of Central Florida.http://www.environment.ucf.edu/bikepath/27%20Reasons%20to%20Bike.htm
  • "Bicycle Commuting Enjoys a Rebirth." Environmental Defense Fun. Sept. 14, 2006.http://www.edf.org/article.cfm?contentID=5483
  • Hood, Sarah B. "Cycling and the Environment." Suite101. Aug. 1, 2007.http://bicycling.suite101.com/article.cfm/cycling_and_the_environment

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