Across
- 3. warming Rise in the Earth’s temperature
- 4. Using waste materials again after processing
- 6. dioxide Gas released by vehicles that causes global warming
- 7. Cutting down of trees
- 8. Natural disaster caused by heavy rainfall
Down
- 1. Harmful substances added to air, water, or land
- 2. Gases that trap heat in the atmosphere
- 5. Gas absorbed by trees