Across
- 2. Energy sources that can be replenished naturally
- 6. Permanent loss of a species
- 7. Gas that traps heat in the atmosphere
- 9. Environmental holiday celebrated April 22
- 10. Grown without synthetic chemicals
- 11. Community of living organisms and their environment
- 12. Movement of water through evaporation and precipitation
- 14. Gases released into the atmosphere
- 16. Able to break down naturally
- 17. Variety of life in an ecosystem
- 18. Decomposed organic matter used as fertilizer
Down
- 1. Contamination of air, water, or soil
- 3. Arch nemesis of the Environmental Club
- 4. Able to be maintained without depletion
- 5. Process of converting waste into reusable material
- 8. Protection of natural resources
- 13. Harmful clearing of forests for other uses
- 15. Element central to greenhouse gas emissions