Across
- 3. The introduction of harmful substances or products into the environment.
- 5. A major element in greenhouse gases contributing to global warming.
- 6. Meeting the needs of the present without compromising the ability of future generations to meet theirs.
- 9. Organic material that can be added to soil to help plants grow.
- 10. Type of energy sourced from natural processes that are continuously replenished.
- 11. A layer in the Earth's atmosphere that absorbs most of the Sun's ultraviolet radiation.
- 13. The natural home or environment of an animal, plant, or other organism.
- 14. The variety of life in the world or in a particular habitat.
Down
- 1. Energy derived from the sun.
- 2. The act of protecting and preserving natural resources and the environment.
- 3. A material commonly used but harmful to the environment when not disposed of properly.
- 4. A community of interacting organisms and their physical environment.
- 7. The large-scale removal of trees from forests for human activities.
- 8. The process of converting waste into reusable material.
- 12. The production and discharge of pollutants, especially gases, into the atmosphere.