pp. 41-42 of Rethinking Mathematics: Teaching Social Justice by the Numbers
By Larry Miller
Key websites:
Interactive map maintained by U.S. Environmental Protection Agency:
https://www.epa.gov/enviroatlas/enviroatlas-interactive-map
Voices of the Grassroots:
http://www.ejrc.cau.edu/voicesfromthegrassroots.htm
For a detailed description of the how one class took action on this lesson, see “Students Blow the Whistle on Toxic Oil Contamination” in Rethinking Our Classrooms, Volume 2, page 144.