Across
- 2. space Parks or gardens in a city.
- 4. city A city that uses technology to improve life.
- 6. Using materials again to make something new.
- 8. Tools or machines to solve problems.
- 9. Ways to move people or goods (e.g., cars, trains).
Down
- 1. Things like water and energy that people use.
- 3. Harmful materials in the air, water, or land.
- 5. Power used for light, heat, and machines.
- 7. Protecting resources for the future.
- 10. A tall building.