Academy of Natural Sciences of Drexel University/Related Articles
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- See also changes related to Academy of Natural Sciences of Drexel University, or pages that link to Academy of Natural Sciences of Drexel University or to this page or whose text contains "Academy of Natural Sciences of Drexel University".
Philadelphia, Pennsylvania: A large city in the southeastern corner of the U.S. state of Pennsylvania, situated just above the confluence of the Schuylkill River and the Delaware River. [e]- Ruth Patrick: (1907 - 2013) American botanist who pioneered environmental science and helped formulate the Clean Water Act of 1972 [e]
- Patrick Center for Environmental Research: An environmental research institute founded in 1947 by Ruth Patrick at the Academy of Natural Sciences of Drexel University; the first group to study freshwater systems at all levels of the food chain and to treat biodiversity as a central indicator of water quality. [e]
