1. Go to the web site for Physicians and Scientists for Responsible Application of Science and Technology to read about the precautionary principle.
   
   Summarize the "wingspread" statement on the precautionary principle. What are the four parts of the principle of precautionary action? How does Sandra Steingraber interpret the precautionary principle? Do you agree with this interpretation? Why or why not?
   
   
2. Read an excerpt of Kenneth Boulding's famous article discussing the implications of a finite earth.
   
   Discuss Boulding's conclusions regarding the perception of the earth as a space ship. What is his moral?