Across
- 1. n .Earth becoming hotter (2 words)
- 4. n. to fend-off, prevent, fight-off (2 words)
- 7. n. removing our woods
- 11. v. what all of us do every day
- 14. n. exhaustion (like raw materials)
- 15. v. what everyone should do
- 17. n. living organisms that needs to be protected
- 20. n. what diamonds are made of
- 21. adj. harmful gases released in air (2 words)
- 22. n. a good ecological balance of species
- 23. adj. when a species is threatened
- 24. adj. XXX materials
- 26. n. the rareness (like materials)
- 28. n. what you need to propels a device
- 29. n. released in air from vehicle exhaust pipes
- 30. adj. when materials decompose quickly
Down
- 2. adj. dangerous or harmful
- 3. n. what exhaust pipes emit
- 5. n. the layer in the atmosphere which protects us
- 6. v. to add, cause, give rise to
- 8. n. when a species disappears
- 9. v. to deal with a problem
- 10. n. result of an oil-spill (2 words)
- 12. v. to protect the environment
- 13. adj. type of energy, contrary to fossil fuels
- 16. n. Earth weather changes
- 18. n. the opposite of save
- 19. n. our surroundings
- 25. adj. single use or limited use items
- 27. v. reduce (like emissions or consumption)