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What is Acid Rain and What Causes It? Almanac of Policy Issues. August 6, 2002. Retrieved from http://www.policyalmanac.org/environment/archive/acid_rain.shtml Accessed on 3 February, 2005
Poisoning the Planet
VanDong, Sarah: "Effects of Acid Rain" University of Texas: acid_rain_333.html at www.micro.utexas.edu March 1, 1999
The Acidification of Canadian Lakes
Gonzalez, Gustavo (1996) "Environment: Crisis Over Damage to Ozone Layer" Inter Press Service English News Wire 1996 September 16.
The Ozone Layer
Rubba Peter A, .Rye, James A., and Donna D. Strong. "Global Warming and Ozone Layer Depletion: STS Issues for Social Studies Classrooms." Social Education 65.2 (2001): 90.
Global Warming and Pollution
Rye, J. A., Strong, D. D., & Rubba, P. A. (2001). Global Warming and Ozone Layer Depletion: STS Issues for Social Studies Classrooms. Social Education, 65(2), 90.
The Insanity Plea
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