The Environmental Protection Agency has available (free) pamphlets on water pollution, radiation, air pollution, solid waste, noise, pesticides and other pollution problems.
Iowa Science Teachers' Journal
© Copyright 1971 by the Iowa Academy of Science
"Material Available from Environmental Protection Agency,"
Iowa Science Teachers Journal: Vol. 9
, Article 22.
Available at: https://scholarworks.uni.edu/istj/vol9/iss1/22