Across
- 7. Tick
- 11. Nuclear meltdown
- 13. Depletion
- 15. Ozone layer
- 16. Ocean
- 17. Nuclear energy
- 19. Increase
- 20. Renewable energy
- 24. Amount
- 27. Oxygen
- 29. Tap water
- 30. Physical
- 31. Global warming
- 32. Electricity
- 36. Anxiety
- 37. Floods
- 39. Resource
- 40. Overpopulation
- 41. Natural gas
Down
- 1. Solar energy
- 2. Fossil fuels
- 3. Geothermal energy
- 4. To care about
- 5. Pollen
- 6. Acidification
- 7. Goal
- 8. Deforestation
- 9. Pollution
- 10. Anger
- 12. Greenhouse Gasses
- 14. Urban development
- 18. Illness
- 21. Atmosphere
- 22. Investments
- 23. European cooperative society
- 25. Sour rain
- 26. Carbon dioxide
- 28. Stress
- 33. Air conditioning
- 34. Temperature
- 35. Coal
- 38. Environment