Across
- 6. footprint the measurement of human effect on climate
- 7. type of air pollution
- 9. discharge of gas or tradition
- 10. growing and cultivation of trees
- 13. unsustainable human addiction
- 14. wind catcher
- 15. lowest layer
- 16. fresh or salt water farming
Down
- 1. helps plants develop roots and buds
- 2. gives plants their dark green colour
- 3. best energy practises
- 4. one of the 3 soil types
- 5. naturally broken down
- 7. contains the ozone layer
- 8. our home planet officially
- 11. ray new solar energy source
- 12. greenhouse gas from rice paddies