Across
- 5. clearing of forests
- 9. the natural environment
- 11. any individual living thing
- 12. maintaining or protecting something from harm
- 13. a vast body of saltwater
- 14. upper layer of Earth's crust
- 17. global sum of all ecosystems
- 19. laws that help protect the environment
- 21. a gas essential for breathing
- 23. management of natural resources
- 24. harmful substances in the environment
- 25. protected areas for wildlife
Down
- 1. chemical found in all living things
- 2. the solid parts of earth
- 3. variety of life forms on earth
- 4. the layer of gases surrounding earth
- 6. fair and just
- 7. caused by human activities
- 8. all water on earth
- 10. produced by living organisms
- 15. tiny plastics found in the ocean
- 16. causes disturbance to natural systems
- 18. relating to the production of goods in a economy
- 20. the movement of goods
- 22. what you're surrounded by
