Across
- 2. a computer that hosts a network
- 4. release of gases
- 6. the amount of carbon dioxide released into the atmosphere by people or companies
- 8. make known
- 10. the cause of a problem
- 13. keep track of
- 14. protect
- 16. things that produces something
- 17. streamlined
Down
- 1. become less
- 3. the natural world
- 5. make something on a large scale with machinery
- 7. effect
- 9. have a harmful effect on something
- 11. improve, make better
- 12. worry
- 15. reason