Across
- 1. A storage space for water
- 5. Planting trees in areas that were not previously forested
- 7. Cutting down forests without replacing the trees
- 9. Type of garden where animals are kept for conservation and education
- 11. The process plants use to make food using sunlight and carbon dioxide
- 15. A reserve where animals are protected, and hunting is not allowed
- 18. Processing used materials into new products
- 19. Process of breathing in oxygen and releasing carbon dioxide
- 20. International agency for conservation of nature
Down
- 2. Natural materials like soil, water, forest, and minerals
- 3. Replanting trees in a deforested area
- 4. The introduction of harmful substances into the environment
- 6. Complete disappearance of a plant or animal species
- 8. Stealing small amounts, especially natural resources like minerals
- 10. Proper maintenance of natural resources for survival and development
- 12. A protected area with tourist facilities and free-moving wildlife
- 13. Excessive grazing by animals that leads to land degradation
- 14. Illegal hunting of animals
- 16. Removal of the topsoil by wind or water
- 17. Travel for recreation that can benefit from natural scenery