Across
- 6. someone who makes laws
- 8. used to power windmills
- 9. machine that cools the air indoors
- 10. most common greenhouse gas
- 11. poison
- 13. when a species ceases to exist
- 14. able to be put in the recycling
Down
- 1. environmentally friendly
- 2. fuels vehicles
- 3. opposite of air conditioning
- 4. when food becomes scarce
- 5. result of global heating
- 7. dirty
- 8. makes energy using uranium
- 12. made of O3
