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