The best defense is a good snow fence

Science fair superstar Erica David shows how fences that trap snow can help the environment.

By Emily Sohn, 00:00 AM July 16, 2007

If you're a loyal reader of Science News for Kids and you're interested in science fairs, you may already know about 17-year-old Erica David. And even if you haven't heard of Erica yet, you'll probably be interested in this science fair champ's story.


For the past 6 years, Erica has been traveling all over the country, winning prizes at science fairs for her continuing research on fences that catch snow. Snowy states like Wyoming have long used wooden snow fences to stop blowing snow from co...

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