Across
- 2. - Unused or discarded materials that are harmful to the environment.
- 6. - A community of living organisms and their environment.
- 7. - A material commonly used for packaging that harms the environment.
- 8. air - The presence of harmful substances in the air.
- 9. - The variety of plant and animal life in an environment.
- 10. - The long-term pattern of weather conditions in a particular area.
Down
- 1. - Gases that trap heat in the atmosphere.
- 3. - The ability to maintain environmental health without depleting resources.
- 4. - To process used materials to make new products.
- 5. - A key element responsible for global warming when in excess.