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