1. Discuss the issues of drinking water availability and quality in the Southwestern U.S., including San Diego County.
In your essay, include a discussion of:
- local climate
- population changes, especially since World War II
- local vs. imported water
- “waste” treatment and recycling attitudes (“toilet to tap”)
Your answer should be no less than 700 words. (100 points)
2. Explain the issues of Climate Change.
In your essay, include discussions of:
- greenhouse gases, comparing Earth to Venus and Mars
- the Keeling Curve, extrapolated back 800,000 years
- ice ages, including the one we’re in now
- sea level: past, present and future
- ocean acidification
- methane released from permafrost and ocean floor
Your answer should be no less than 700 words. (100 points)