Across
- 2. Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.
- 5. A type of energy that can be replenished naturally, such as solar or wind energy.
- 9. Decayed organic material used as a plant fertilizer.
- 10. The introduction of harmful substances into the environment.
- 12. Free from pollutants or waste; environmentally friendly.
- 14. The action of protecting something, especially the environment, from harm.
- 16. Process of converting waste materials into new materials and objects.
- 18. The clearing of trees, transforming a forest into cleared land.
- 19. Meeting the needs of the present without compromising the ability of future generations to meet their own needs.
- 20. A community of interacting organisms and their physical environment.
Down
- 1. Capable of being decomposed by bacteria or other living organisms.
- 3. An element that is a fundamental part of all living organisms and is found in fossil fuels.
- 4. The natural home or environment of an animal, plant, or other organism.
- 6. Variety of life in the world or in a particular habitat or ecosystem.
- 7. Relating to or derived from the sun.
- 8. Protection and preservation of natural resources and the environment.
- 11. A large body of saltwater that covers most of the Earth’s surface.
- 13. Animals and other living things that live naturally in an area.
- 15. A building or structure with walls and roof made of transparent material, used for growing plants in regulated conditions.
- 17. The weather conditions prevailing in an area over a long period.