1. According to EnergyStar.gov and the US Dept. of Energy, how much money would you save each year if you switched out 5 incandescent bulbs with 5 compact fluorescent bulbs?
2. Which household activity consumes the most water?
3. If moo poo can be used for renewable energy, why not human waste?
4. What are phantom loads or vampire energy?
5. According to the United Nations, what are the largest contributor to global climate change?