Genetically modified crops : resources for environmental literacy / by Environmental Literacy Council and National Science Teachers Association. National Science Teachers Association. Environmental Literacy Council. Transgenic plants. Public opinion. Transgenic plants Risk assessment. Environmental education. SB123.57 .G4785 2007 631.5233 GEN Includes bibliographical references. Arlington, Va : NSTA Press, 2008. 2008. 2007 Text xvii, 36 p. : http://www.loc.gov/catdir/toc/ecip0713/2007009488.html eng