Across
- 4. fast
- 7. toxic air
- 8. toxic water
- 9. what we breathe
- 10. managing resources
- 12. can include hydro power
- 13. saving resources
Down
- 1. easy to find
- 2. not enough energy for everyone
- 3. forms over millions of years
- 5. toxic soil
- 6. also known as dirt
- 11. not enough nutrition