Across
- 3. Practice of finding value in used items (9)
- 5. Gasses that deplete the ozone layer (10)
- 7. Community of living things (9)
- 9. Power created by the sun (5,6)
- 10. Sustainable use and management of natural resources (12)
Down
- 1. Gradual build up of harmful substances in an organism (15)
- 2. Can be broken down naturally (13)
- 4. Reduce, reuse, recycle (5,2)
- 6. See 8 (9)
- 8. (with 6) Measure of emissions produced to support human activities (6)