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Students invent natural way to purify polluted water

by Daniel | May 05, 2006

Halifax, Nova Scotia - Scallop shells can be used to clean up polluted water, three teenagers in Halifax have discovered.

James Beaton-Johnson, Elias Fares and Amy Trottier began their award-winning research as Grade 12 students. They say the shells can be used to clean up contaminated rivers, lakes and even Halifax Harbour.

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