1. Cite four global trends that indicate that the health of planet Earth is suffering:
2. What are the concepts behind each of the three unifying themes—sound science, sustainability, and stewardship?
3. Cite some reasons for the existence of controversies within science, and carefully distinguish between sound science and junk science.
4. What are the concerns of the environmental justice movement?
5. What is globalization? What are its most significant elements?
6. Why do environmentalism and economic interests seem to be at odds so often?