Across
- 2. Variety of life in an ecosystem
- 4. Energy generated by air movement
- 6. Reuse materials to reduce waste
- 7. A car that uses both gas and electricity
- 9. Contamination of the environment
- 10. Save resources for the future
Down
- 1. Able to be maintained over the long term
- 3. Energy from the sun
- 5. Products that are good for the environment
- 8. Organic waste turned into soil