Across
- 1. pressure group
- 2. habitat
- 7. flora and fauna
- 9. of paramount importance
- 12. greenhouse effect
- 14. whale
- 18. national park
- 19. atmosphere
- 21. to exploit
- 22. worry, care
- 24. organisation
- 26. to destroy
- 28. ecological
- 29. nature reserve
- 31. deforestation
- 33. collective response
- 34. cleaning-up
- 36. to safeguard, preserve
- 37. preserve
- 38. on a global scale
- 39. threatened species
- 41. desertification
- 42. threatened
- 43. damage
Down
- 1. harmful gases
- 3. hunting
- 4. effective, efficient
- 5. ozone layer
- 6. tropical rainforest
- 8. environment
- 10. set of rules
- 11. plant
- 13. issue, matter
- 15. to survive
- 16. surroundings, environment
- 17. rhino horn
- 20. insect
- 23. individual
- 25. waste
- 27. to involve
- 30. tiger
- 32. risk
- 35. environmental
- 40. survival