생태계 | an ecological community together with its environment, functioning as a unit | |
ozone layer | 오존층 | |
greenhouse effect | 온실효과 | |
photochemical smog | 광화학스모그 | |
pollution | 오염, 공해 | the act or process of polluting or the state of being polluted |
pollutant | 오염물질 | |
purification | 정화 | the act or an instance of cleansing or purifying |
global warming | 지구온난화 | an increase in the average temperature of the earth’s atmosphere |
food chain | 먹이사슬 | |
desertification | 사막화 | |
catalyst | 촉매 | |
catalysis | 촉매작용 | the action of a catalyst |
endangered species | 멸종위기의 종 | a species present in such small numbers that it is at risk of extinction |
acid rain | 산성비 | acid precipitation falling as rain |
toxic | 독성의 | |
alternative energy | 대체에너지 | |
reclamation | 개간, 재생 | the act or process of reclaiming |
dump | 버리다 | release or throw down in a large mass |
calamity catastrophe disaster | 재난, 불행 | |
abundance | 풍부 | |
countless | 무수한 | |
lush | 푸릇푸릇한, 무성한 | having or characterized by luxuriant vegetation |




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