Across
- 3. Pollution/ harmful sound levels in the environment
- 5. quality/ degree of cleanliness of the air
- 6. Release of pollutants into the atmosphere
- 7. waste/ Discard plastic products that pollute the environment
- 8. converting waste materials into reusable objects
Down
- 1. pollution of the environment by harmful substances
- 2. the use of living organisms to detoxify pollutants in the environment
- 4. fuels/ non-renewable energy sources such as coal, oil and gas