Across
- 4. A federal organization that makes regulations on environmental laws and they protect the environment
- 5. A leading green house gas
- 8. To help protect or preserve the environment or animals
- 10. Caused by the shape of the Earth and where the Sun's rays hit it, and causes wind
- 11. The name of the chart that shows the different levels of air quality
Down
- 1. The gradual change of an areas climate
- 2. An effect of climate change
- 3. Something that holds back water and can be used to make electricity
- 6. Energy that cannot be made in less than a hundred years
- 7. Something that can turn radiant energy into electicity
- 9. The source of most energy