Across
- 4. - A community of living organisms and their environment.
- 6. - Resources that can be replenished.
- 7. - The amount of carbon dioxide emissions for which an individual or group is responsible.
- 9. - Harmful substances in the environment.
- 10. - Power obtained from the sun’s rays.
Down
- 1. - The protection of natural resources.
- 2. - Meeting needs without harming future generations.
- 3. - To process materials so they can be used again.
- 5. - Capable of being broken down naturally.
- 8. - Decayed organic material used as fertilizer.
