isnolongerdisappearingandwillreturntofull-普特英语听力.PDFVIP

普特英语 Ozone layer is no longer disappearing and will return to full strength by 2048 The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed. 联合国的科学家们已证实，臭氧层将不再消失，而且可能在本世纪中叶时恢复原状。 The phasing out of nearly 100 substances once used in products like refrigerators and aerosols has stopped the ozone layer being depleted further, although it is not yet increasing, according to a new United Nations report released last week. And it claimed that international efforts to protect the ozone layer has averted millions of cases of skin cancer worldwide. 根据联合国上周发布的一份必威体育精装版报告，随着冰箱、喷雾器等产品曾使用的近100 种物质逐 步被淘汰，臭氧层的进一步耗竭已经得到控制，尽管它还没有开始增加。该报告称，保护臭 氧层的全球行动已经在世界范围内防止了数以百万计的皮肤癌病例发生。 The ozone layer over Antarctica in September 1980, left, and how it looked this weekend. The dark blue indicates extremely low levels of ozone. Scientists expect it to return to pre-1980 levels by 2073 The ozone layer outside the polar regions is projected to recover to pre- 1980 levels by 2048, although the annual springtime ozone hole over the Antarctic is not expected to 普特英语 recover until 2073. Ozone in the stratosphere is important because it absorbs some of the Sun‟s dangerous ultraviolet radiation. 尽管每年春季出现在南极洲上空的臭氧空洞预计要到2073 年才能恢复，但是极地以外地区 的臭氧层预计到2048 年就可以恢复到1980 年以前的水平。平流层的臭氧非常重要，因为 它可以吸收一部分有害的太阳紫外线辐射。 A chart showing how ozone levels are expected to rise over the next 40 years The report, published jointly by UNEP and the UN World Meteorological Organization (WMO) is the first comprehensive update in four years on the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol phasing out chemicals which accelerate both ozone layer damage and climate change. 该报告由联合国环境规划署和联合国世界气象组织联合发布，是四年来首次对《保 护臭氧层维也纳公约》和《蒙特利尔议定书》的全面更新。这两份协定逐步废止了 加速臭氧层破坏和气候变化的各种化学物质。 It (the Protocol) has protected the stratospheric ozone