Across
- 4. To reduce the amount of waste or to use less of something
- 7. Organic waste that can be turned into soil through decomposition
- 8. The variety of plant and animal life in a particular habitat
- 9. A measure to protect natural resources from excessive exploitation
- 10. The layer of gases surrounding Earth, vital for life
Down
- 1. Resources that can be used repeatedly and are naturally replenished
- 2. The natural home or environment of an animal, plant, or other organism
- 3. The act of making something new from used materials
- 5. A large area of trees that absorb carbon dioxide
- 6. Substances that contaminate the environment
- 11. The practice of growing crops without synthetic chemicals