Across
- 3. – Linear flow of energy in an ecosystem.
- 5. – A group of individuals who share common characteristics.
- 7. – Conservation method within the natural habitat.
- 8. – Extracting natural gas by breaking rock formations.
- 9. – Development of an ecosystem over time.
- 12. – Growth and development of cities.
- 15. – Build-up of salt in soil.
- 16. – Amount of CO₂ emitted by a person or group.
- 18. – Resource use that avoids depletion.
- 24. – Process that warms the Earth’s surface.
- 26. – Meeting needs without compromising future generations.
- 29. – Reprocessing waste materials for reuse.
- 30. – Action to reduce climate change impacts.
- 31. – Over-enrichment of water with nutrients.
- 32. – Non-renewable energy source from ancient organisms.
- 33. – A person’s view on environmental issues.
- 34. – Agreement to control trade in endangered species.
- 35. – Things that enter a system.
- 36. – Reliable and affordable energy supply.
- 38. – Non-living factors in an ecosystem.
- 39. – Organism that converts sunlight into energy.
Down
- 1. – Organism that breaks down dead material.
- 2. – Tool used to predict environmental effects of a project.
- 4. – Protection and management of biodiversity.
- 6. – Ability of a surface to reflect sunlight.
- 10. – Type of farming without synthetic chemicals.
- 11. – Harvesting aquatic species at sustainable levels.
- 13. – Reliable access to sufficient, nutritious food.
- 14. – Total mass of living organisms.
- 17. – Resource that cannot be replaced quickly.
- 19. – Variety of life in an ecosystem.
- 20. – Ideal soil mix for farming.
- 21. – Measure of human impact on nature.
- 22. – Movement of nutrient-rich water to the surface.
- 23. – Underground layer of water-bearing rock.
- 25. – Energy harnessed from the sun.
- 27. – A set of interrelated parts working together.
- 28. – Farming of aquatic organisms.
- 33. – Species at serious risk of extinction.
- 37. – Cultivation of a single crop over a large area.