Across
- 3. Element whose dioxide form is a major greenhouse gas.
- 6. The presence of harmful substances in the environment.
- 8. Renewable energy generated by air movement.
- 10. Natural home or environment of an animal or plant.
- 11. Common non-biodegradable pollutant.
- 13. Type of species introduced to a new environment causing harm.
- 14. Large-scale industrial agriculture for food production.
- 15. Greenhouse gas produced by livestock.
- 16. Type of gas that traps heat in Earth’s atmosphere.
- 19. Process of converting waste into reusable material.
- 21. Type of resource that can be replaced naturally.
- 22. A biological community of interacting organisms and their environment.
- 23. The removal of large areas of forests.
- 24. Poisonous substances produced by living organisms or introduced to an environment.
Down
- 1. When the number of people exceeds the capacity of the environment.
- 2. Site for the disposal of waste materials.
- 3. Long-term alteration of temperature and typical weather patterns.
- 4. Water that flows over land and carries pollutants.
- 5. Resource that cannot be replaced quickly enough.
- 7. The variety of life in a particular habitat or ecosystem.
- 9. Essential natural resource often affected by pollution.
- 12. The act of preserving natural resources.
- 17. Type of renewable energy from the sun.
- 18. Wearing away of land by wind, water, or other natural agents.
- 20. Layer in the atmosphere that protects Earth from UV rays.