Crossword

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

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