Across
- 2. Industrial discharge that flows into the sewer system
- 5. River flowing through London
- 7. Relating to or derived from living matter
- 8. A type of secondary containment
- 9. Man-made greenhouse gases used in refrigeration
- 11. Planet we live on
- 12. Used to power our homes and vehicles
- 14. A document issued by an authority to allow an installation to operate
- 16. Substance discharged into water/air
- 18. Type of fuel
- 20. Foul Smell
- 21. A type of rare earth mineral used in batteries
Down
- 1. Processing waste to turn it into a different product
- 3. Place where waste is disposed as a last resort
- 4. Used to create steam for industrial applications
- 6. Related to the sun
- 8. All the different kinds of life you'll find in one area
- 10. Where ships come to offload their product
- 13. Vanished or no longer living
- 15. Energy source that harnessed the energy of falling water
- 17. Long-term pattern of a region, usually over 30 years
- 19. Equipment used to contain or clean up releases