至2010年，包括氯氟烃在内的近100种消耗臭氧的物质将在全球范围内被淘汰。
By 2010, close to 100 ozone-depleting substances, including CFCs, will have been phased out globally.
如果没有20年前作出的那些决定，那么至2050年，大气中臭氧消耗物质的浓度会增加到原来的10倍。
Without the decisions taken 20 years ago, atmospheric levels of ozone-depleting substances would have increased tenfold by 2050.
去年得到普遍批准的《关于消耗臭氧层物质的蒙特利尔议定书》，就是这一进程中的一个极佳典范。
The Montreal Protocol on Substances that Deplete the Ozone Layer - which last year achieved universal ratification - is an excellent example of this process.
应用推荐