Across
- 2. natural process releasing nitrous oxide
- 4. lowest atmospheric layer
- 7. used in furniture and paint
- 9. law in 1973 regarding endangered species
- 13. treaty controlling international trade of threatened species
- 14. accumulation of nutrients in a body of water
- 18. natural process releasing methane
- 21. storing carbon in a carbon pool
- 23. human activity
- 25. upward movement of ocean water to surface
Down
- 1. gwp of 273
- 3. low in oyxgen
- 5. species that have varied diets and can live in many habitats
- 6. trade winds weaken or reverse direction
- 8. ability to use resources without depriving future resources
- 10. largest nitrogen reservoir
- 11. dumping ground of waste material
- 12. UN agency of public health
- 15. natural habitat can no longer support native species
- 16. dirtiest fossil fuel
- 17. water that moves from land surface to streams
- 19. catalyzes breakdowns in up to 100,000 ozone molecules
- 20. U.S agency for environmental protection
- 22. global warming potential
- 24. large scale pattern of water circulation