Challenging puzzle for experienced crossword solvers
Vital Elements of Green Living
Moderate difficulty suitable for most players
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Across
- 1. Renewable fuel produced from organic waste
- 2. A self-contained ecological environment for sustainability experiments
- 3. Decomposed organic material used to enrich soil
- 4. Process of converting waste into reusable material
- 6. To protect natural resources from depletion
- 10. Transforming waste into higher-value products
- 11. Natural environment where a species lives
- 13. Act of replacing or restoring resources sustainably
- 14. Ancient remains used as a nonrenewable energy source
Down
- 5. Essential gas produced by plants during photosynthesis
- 7. To maintain or support ecological balance over time
- 8. Study of interactions between organisms and their environment
- 9. Wastewater discharged from a factory or treatment plant
- 12. Gathering mature crops from the fields
- 15. Produced without synthetic chemicals or pesticides
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