Across
- 5. Problem caused by too much CO₂.
- 7. Waste in seas
- 8. Harmful substance in the environment
- 10. Overuse of natural resources
Down
- 1. Excessive buying behavior
- 2. Excessive growth of population
- 3. Ocean’s ability to absorb CO₂
- 4. The process of clearing forests
- 6. Large-scale farming with one crop
- 9. Loss of variety of life
