Industrial chemicals containing chlorine and bromine used in refrigerators and aerosols have been blamed for thinning the layer because they attack ozone molecules, causing them to break apart.

• 一般认为,制造电冰箱冷媒和喷雾剂所使用的化学原料中所含的氯和溴,是造成臭氧层变薄的主因,因为它们会分解臭氧的分子结构。