| English | Spanish |
|---|---|
| 1. accelerated or fast paced | 1. acelerado |
| 2. acid rain | 2. la lluvia ácida |
| 3. aluminium | 3. el aluminio |
| 4. ash | 4. la ceniza |
| 5. atmophere | 5. la atmósfera |
| 6. atmopheric | 6. atmosférico |
| 7. car exhaust | 7. el escape de auto |
| 8. cardboard | 8. el cartón |
| 9. coal | 9. el carbón |
| 10. coast guard | 10. el guardacostas |
| 11. conservation | 11. la conservación |
| 12. contamination | 12. la contaminación |
| 13. coral reef | 13. el arrecife |
| 14. danger | 14. el peligro |
| 15. deforestation | 15. la deforestación |
| 16. destruction | 16. la destrucción |
| 17. disappearance | 17. la desaparación |
| 18. disintegrate | 18. desintegrarse |
| 19. disintegration | 19. la desintegración |
| 20. disposable | 20. desechable |
| 21. drought | 21. la sequía |
| 22. emission | 22. la emisión |
| 23. environmental | 23. ambiental |
| 24. extinction | 24. la extinción |
| 25. factory | 25. la fábrica |
| 26. fearful | 26. temible |
| 27. forest | 27. el bosque |
| 28. greenhouse effect | 28. el efecto invernadero |
| 29. harmful | 29. dañino/nocivo |
| 30. hunting | 30. la caza |
| 31. insecticide | 31. el insecticida |
| 32. jungle | 32. la selva |
| 33. junk | 33. el desecho |
| 34. lead | 34. el plomo |
| 35. manufacturing | 35. la fabricación |
| 36. noise | 36. el ruido |
| 37. nuclear power plant | 37. el centro nuclear/la central nuclear |
| 38. oil spill | 38. el derrame de petróleo |
| 39. overpopulation | 39. sobrepoblación |
| 40. ozone layer | 40. la capa de ozono |
| 41. pesticide | 41. el pesticida |
| 42. plastic | 42. el plástico |
| 43. potable or drinkable (water) | 43. potable |
| 44. preservation | 44. la preservación |
| 45. prevention | 45. la prevención |
| 46. protection | 46. la protección |
| 47. purification | 47. la purificación |
| 48. radioactive | 48. el radioactivo |
| 49. rainforest | 49. el bosque lluvioso/la selva tropical |
| 50. recycled | 50. reciclado |
| 51. reduction | 51. la reducción |
| 52. renewable energy sources | 52. las fuentes renovables de energía |
| 53. repair | 53. reparación |
| 54. replacement | 54. el reemplazo |
| 55. rescue | 55. el rescate |
| 56. smog | 56. el smog/los humos irritantes |
| 57. solar | 57. solar |
| 58. threat | 58. la amenaza |
| 59. to arise from | 59. provenir |
| 60. to conserve | 60. conservar |
| 61. to contaminate | 61. contaminar |
| 62. to cut down (trees) | 62. talar |
| 63. to deforest | 63. deforestar |
| 64. to destory | 64. destruir |
| 65. to disappear | 65. desaparacer |
| 66. to dispose of | 66. desechar |
| 67. to emit | 67. emitir |
| 68. to extinguish (cause to become extinct) | 68. extinguirse |
| 69. to harm | 69. perjudicar |
| 70. to hunt | 70. cazar |
| 71. to make noise | 71. hacer ruido |
| 72. to manufacture | 72. fabricar |
| 73. to overpopularte | 73. sobrepoblar |
| 74. to preserve | 74. preservar |
| 75. to prevent | 75. prevenir |
| 76. to protect | 76. proteger |
| 77. to purify | 77. purificar |
| 78. to put up with | 78. aguantar |
| 79. to recharge | 79. recargar |
| 80. to reduce | 80. reducir |
| 81. to repair | 81. reparar |
| 82. to replace | 82. reemplazar |
| 83. to rescue | 83. rescatar |
| 84. to restrict | 84. restringir |
| 85. to threaten | 85. amenazar |
| 86. to throw away | 86. echar/botar |
| 87. to throw out | 87. echar/botar/tirar |
| 88. to turn on | 88. encender/prender |
| 89. to waste | 89. desperdiciar |
| 90. toxic | 90. tóxico |
| 91. unattainable | 91. inalcanzable |
| 92. waste | 92. el desperdicio |
| 93. well-being | 93. bienestar |
| 94. wood | 94. la madera |