Across
- 2. Is a consequence with environnement
- 5. Energy are used
- 7. Material or substance there are usefull and are throun
- 10. is a valor for respect here environnement
- 11. is a characteristic to upgrade structure and object
- 15. Less detruction nature
- 16. relater to the environnement
- 17. Is a greate system for reuse system water and produce energy
- 19. Can be used during a long time
Down
- 1. Absord the energy solar
- 3. Is a system for reuse all now material
- 4. a machine that produce electricity
- 6. is a raw material for a bio structure with tree
- 7. Use the wind for energy
- 8. Is a system to reuse material and objects
- 9. is a economy of energy for a world better
- 12. Is a all material eco friendly
- 13. Last in the time
- 14. A new idea
- 18. Make again the objects