Across
- 2. efecto invernadero greenhouse effect
- 5. trees
- 6. chemicals
- 7. extinct
- 9. donate
- 10. recommend
- 12. sustainability
- 13. to contaminate
- 15. mammals
Down
- 1. o medioambiental environmental
- 3. recycle
- 4. advice
- 8. tropical tropical rainforest
- 11. mix
- 14. threat