Across
- 3. converting waste into new materials
- 7. the destruction of forests and jungles
- 9. harmful or dirty things in the air, water, or land make it unsafe
- 11. wildlife which is at risk of extinction
Down
- 1. buses and trains are examples of this
- 2. natural fuels that come from plants and animals
- 4. types of air (e.g., CO2) which make the world hotter:
- 5. rubbish whichis buried underground
- 6. taking care of the planet and its resources
- 8. a variation in world weather patterns
- 10. protection of the natural environment