| accelerated or fast paced | acelerado |
| acid rain | la lluvia ácida |
| aluminium | el aluminio |
| ash | la ceniza |
| atmophere | la atmósfera |
| atmopheric | atmosférico |
| car exhaust | el escape de auto |
| cardboard | el cartón |
| coal | el carbón |
| coast guard | el guardacostas |
| conservation | la conservación |
| contamination | la contaminación |
| coral reef | el arrecife |
| danger | el peligro |
| deforestation | la deforestación |
| destruction | la destrucción |
| disappearance | la desaparación |
| disintegrate | desintegrarse |
| disintegration | la desintegración |
| disposable | desechable |
| drought | la sequía |
| emission | la emisión |
| environmental | ambiental |
| extinction | la extinción |
| factory | la fábrica |
| fearful | temible |
| forest | el bosque |
| greenhouse effect | el efecto invernadero |
| harmful | dañino/nocivo |
| hunting | la caza |
| insecticide | el insecticida |
| jungle | la selva |
| junk | el desecho |
| lead | el plomo |
| manufacturing | la fabricación |
| noise | el ruido |
| nuclear power plant | el centro nuclear/la central nuclear |
| oil spill | el derrame de petróleo |
| overpopulation | sobrepoblación |
| ozone layer | la capa de ozono |
| pesticide | el pesticida |
| plastic | el plástico |
| potable or drinkable (water) | potable |
| preservation | la preservación |
| prevention | la prevención |
| protection | la protección |
| purification | la purificación |
| radioactive | el radioactivo |
| rainforest | el bosque lluvioso/la selva tropical |
| recycled | reciclado |
| reduction | la reducción |
| renewable energy sources | las fuentes renovables de energía |
| repair | reparación |
| replacement | el reemplazo |
| rescue | el rescate |
| smog | el smog/los humos irritantes |
| solar | solar |
| threat | la amenaza |
| to arise from | provenir |
| to conserve | conservar |
| to contaminate | contaminar |
| to cut down (trees) | talar |
| to deforest | deforestar |
| to destory | destruir |
| to disappear | desaparacer |
| to dispose of | desechar |
| to emit | emitir |
| to extinguish (cause to become extinct) | extinguirse |
| to harm | perjudicar |
| to hunt | cazar |
| to make noise | hacer ruido |
| to manufacture | fabricar |
| to overpopularte | sobrepoblar |
| to preserve | preservar |
| to prevent | prevenir |
| to protect | proteger |
| to purify | purificar |
| to put up with | aguantar |
| to recharge | recargar |
| to reduce | reducir |
| to repair | reparar |
| to replace | reemplazar |
| to rescue | rescatar |
| to restrict | restringir |
| to threaten | amenazar |
| to throw away | echar/botar |
| to throw out | echar/botar/tirar |
| to turn on | encender/prender |
| to waste | desperdiciar |
| toxic | tóxico |
| unattainable | inalcanzable |
| waste | el desperdicio |
| well-being | bienestar |
| wood | la madera |