Across
- 3. Paint with no harmful emissions
- 4. Non-polluting design concept
- 6. Roof garden system
- 9. Minimizing energy use
- 11. Wall panel from natural fiber
- 14. Waste-reducing strategy
- 15. Cooling using natural airflow
Down
- 1. Renewable floor material
- 2. Window that blocks heat gain
- 5. Solar-powered exterior light
- 7. Lighting based on occupancy
- 8. Building rating system
- 10. Light source using less power
- 12. Building that makes its own power
- 13. Design strategy using daylight