Rachel Carson impact celebrated
Pittsburgh Tribune-Review - Pittsburgh,PA,USA ... ". Carson warned of the dangers of chemical pesticide and their widespead use in "Silent Spring," which is considered the founding work of the modern ...
http://www.pittsburghlive.com/x/pittsburghtrib/news/mostread/s_482900
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Added on December 07, 2006 by RachelCarson100
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