Across
- 2. organic matter used as fuel
- 3. saving things
- 5. natural movement of air
- 9. make trash into something new
- 11. harsh chemicals ruining the ozone
- 12. energy created from the sun
- 14. able to be used without running out
Down
- 1. able to run of the resource
- 4. internal heat from the earth
- 6. released in a nuclear fission
- 7. getting energy from flowing water
- 8. use something that has already been used
- 10. fuels a natural fuel like coal or glass
- 13. take less