Across
- 6. council that fights deforestation
- 7. dirty air
- 8. one of the 3 r's
- 9. removal of layer of topsoil
Down
- 1. international agreement
- 2. forest land to non-forest use
- 3. water in permable rock layers
- 4. effect warming of atmosphere
- 5. change of climate
- 10. throwing garbage
- 11. ecosystem dominated with trees