Across
- 1. International governmental associations
- 5. Earth's temperature rise
- 8. the variety of all living things and their interactions
- 10. a natural fuel formed from the remains of living organisms
- 13. Resource misuse or abuse
- 14. the significant variation of average weather conditions
- 15. the surroundings or conditions in which a person, animal, or plant lives or operates
- 23. Deoxyribonucleic acid
- 24. related to algae
- 25. a biological community of interacting organisms
- 27. Independent non-profit groups
- 28. pollutied rain
- 30. excessive amount of hunting
- 31. Release of substances into atmosphere
- 35. species found in a ecosystem due to natural process
- 37. the ability to be maintained at a certain rate or level
- 38. Atmospheric heat-trapping phenomenon
- 39. Compensate for negative impacts
- 40. relating to the natural world and the impact of human activity
Down
- 2. Nutrient-driven aquatic overgrowth
- 3. Threatened animal or plant species
- 4. species that have been brought to the area or region
- 6. Exploit excessively or unsustainably
- 7. Process of converting light to energy in plants
- 9. to intrude
- 11. clearing a wide area of trees
- 12. Environmental impact assessment
- 16. a molecule made up of amino acids
- 17. the introduction of harmful materials into the environment
- 18. substance that pollutes
- 19. to produce or provide
- 20. anything available in our environment that can be used to fulfil our desires
- 21. development that meets the needs of the present
- 22. Carbon-based compound assemblages
- 26. Renewable fuel sources
- 29. Natural CO2 absorbers
- 32. chemical or natural substance added to soil to make it fertile
- 33. gases in the earth's atmosphere that trap heat
- 34. Large-scale cultivated land
- 36. those that live in a limited area