Across
- 3. use
- 5. save energy
- 7. opposite of turn on
- 8. tools
- 9. rule made by the government
- 10. change
- 11. money that we earn goes to the government
- 13. energy that doesn't damage the environment
- 14. ban
- 16. noun of "solve"
- 17. synonym of affect
- 18. opposite of aritificial
Down
- 1. lack of trees
- 2. energy made from living things
- 4. close
- 6. sulfur dioxide (SO2)
- 12. eliminate
- 15. problem