臭氧層損耗是怎樣形成的?



地球大氣層上的平流臭氧層透過吸收太陽有害的紫外線來保護我們。但在超過20多年前,南極上空的臭氧層

被發現變得稀薄。科學家指出這是冷氣機及雪櫃使用的冷凍劑 CFCs (指定的碳氟化合物)破壞臭氧層的後果。

為防止冷凍劑進入大氣層,大金非常謹慎,以確保零售商適當地處理已達有效期限的冷氣機及雪櫃。



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