Across
- 3. More people moving to cities
- 5. Footprint
- 7. Materials people use
- 9. Harmful substances in the environment
- 10. Roads, bridges, systems in a city
Down
- 1. Can continue without harming the future
- 2. Transport Buses, trains used by many people
- 4. of pollution a person makes
- 6. of Life Health, comfort, happiness
- 7. Energy Energy that will not run out
- 8. Efficiency Using less energy to do the same job