Across
- 3. Ocean levels increasing due to ice melting
- 7. Non-renewable energy sources like oil
- 8. Protecting natural resources
- 12. Vehicle using both fuel and electricity
- 14. Glaciers disappearing due to heat
- 17. Annual event promoting environmental care
- 19. Gases trapping heat in the atmosphere
- 20. Planting trees to restore forests
- 22. Planting trees where none existed before
- 24. Turning old materials into better products
- 25. Water covering land due to heavy rain
- 26. Power from the sun
- 27. Using materials again instead of discarding
- 28. Turning waste into reusable materials
- 30. Amount of CO2 released by activities
Down
- 1. Large ocean wave caused by earthquakes
- 2. Catching too many fish, harming ecosystems
- 4. Prolonged period of excessive heat
- 5. A vehicle powered by electricity
- 6. Contamination of air, water, or soil
- 9. Power generated by wind
- 10. Gases released by vehicles or factories
- 11. Ground shaking due to underground activity
- 13. Variety of life in an ecosystem
- 15. Long-term shifts in global temperatures
- 16. Cutting down trees
- 18. Energy sources that can be replenished
- 21. Loss of color in coral due to heat
- 23. A community of living organisms
- 29. Turning organic waste into fertilizer