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