自1978年起，含氯氟烃的喷雾剂压缩气体已被禁止使用。
含氯氟烃在大气中已经存在多年。
这些含氯氟烃化学物质也是主要的温室气体。
美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。
By 1978, in the USA, the use of CFCs in aerosol propellants was banned.
她还掌握一些先进的化学测量方法来说明臭氧洞是由人造含氯氟烃造成的。
She also got some of the first chemical measurements that showed man-made chlorofluorocarbons caused the hole.
氯的来源是来自于含氯氟烃，这个物质我们在上个世纪中用于多种产品里面。
The source of much of this chlorine is chlorofluorocarbons (CFCs) that were widely used in many products over the last century.
我们不应该过多地使用冷气，冰箱，汽车，喷雾剂以及含氯氟烃碳化物的产品。
We should not use air conditioning, refrigerator, cars, spray and the product containing CFCs.
某些制冷剂，如含氯氟烃已被相关规列列为非法，因为这些制冷剂含有破坏臭氧层的物质。
Regulations are outlawing certain refrigerants, such as chlorofluorocarbons, which contain ozone-depleting chemicals.
现在含氯氟烃还存在着黑市交易。在巴西、印度和墨西哥等国家，卤烃的生产依旧有增无减。
There is still a black market in CFCs, and halon production has increased in countries such as Brazil, India and Mexico.
我们通过禁止含氯氟烃安然度过了第一次人为的全球大气危机——到2015年，南极臭氧空洞的面积将缩小近400,000平方英里。
We reversed our first man-made global atmospheric crisis by banning chlorofluorocarbons -- by 2015, the Antarctic ozone hole will have shrunk by nearly 400, 000 square miles.
我们通过禁止含氯氟烃安然度过了第一次人为的全球大气危机——到2015年，南极臭氧空洞的面积将缩小近400,000平方英里。
We reversed our first man-made global atmospheric crisis by banning chlorofluorocarbons -- by 2015, the Antarctic ozone hole will have shrunk by nearly 400, 000 square miles.
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