Across
- 2. having to do with money
- 3. a population where the majority is post-reproductive
- 5. pollution coming from a single source
- 6. energy sources like wind and solar
- 7. energy sources like coal and oil
- 10. an act to reduce water pollution
- 13. group of the same species
- 14. instead of trashing plastic, do this
Down
- 1. moral value
- 2. a species close to extinction
- 4. this type of pollution is high near airports
- 7. pollution does not come from a single traceable source
- 8. throw away less trash
- 9. this type of pollution confuses birds
- 11. use something more than once
- 12. an act to reduce air pollution