Sustainability
Across
- 1. air movement
- 3. rubbish
- 4. trees
- 5. filled in rubbish pit
- 6. non biodegradable
- 8. still to come
- 10. fossilised carbon
- 12. different option
- 14. environmentally friendly
- 15. effects air water land
Down
- 2. over grazing
- 7. power from the sun
- 9. power
- 11. natural used for petrol
- 13. use
- 16. will run out