Dangerous for the ozone layer.
对臭氧层有危害。
Very expensive and would require some serious rocket building to enable so many launches, which could cause problems for the ozone layer.
这个方案十分昂贵，而且为了将这么多遮阳板发射到太空中，可能需要建造许多火箭，而这可能会破坏臭氧层。
They will press for international action to safeguard the ozone layer.
他们将竭力要求国际行动来保护臭氧层。
The destruction of Earth's ozone layer, for example, could contribute to the general process of impoverishment by allowing ultra-violet rays to harm plants and animals.
例如，地球臭氧层的破坏会使紫外线伤害植物和动物，从而导致普遍的贫瘠进程。
One reason for rejecting sulphate hazing out of hand might be the damage it could do to the ozone layer.
一个拒绝草率地喷洒硫酸雾的原因是，这种方法可能会对臭氧层造成破坏。
Scientists have called for stricter controls on emissions of laughing gas, after discovering the common chemical poses a new threat to the recovering ozone layer.
在发现了笑气这种常见化学品对正在恢复的臭氧层构成新威胁之后，科学家们呼吁对笑气排放实行更为严格的管制。
We are killing plants and animals, destroying the ozone layer, burning the world through our addiction to fossil fuels, and leaving a devastated planet for future generations.
我们正在砍树和杀动物，正在破坏臭氧层，正在燃烧世界，全因为我们对化石燃料的痴迷，留下一个破难的星球给我们子孙后代。
One reason for the rise in sunburn could be the hole in the ozone layer - the protective layer that shields the Earth from the sun's harmful ultraviolet rays.
晒伤增多的一个原因可能是臭氧层空洞，而臭氧层是保护地球不受太阳紫外线危害的保护层。
This year, the International Day for the Preservation of the Ozone Layer highlights the central role of good governance in pursuit of environmental goals.
今年的保护臭氧层国际日突出善治在实现环境目标方面的核心作用。
Introduced as replacements for ozone depleting substances, HFCs do not damage the ozone layer but are potent global warming agents and considered 'super' greenhouse gases.
氢氯氟化碳以替换破坏臭氧层物质的形式被引进进来，尽管氢氯氟化碳不会破坏臭氧层，但是它却是强有力的全球变暖催化剂，被当成“超级”温室气体。
Whether this "age of man" will be short or long is unknown, says Crutzen, who shared his Nobel for unmasking the man-made chemicals eating away at the atmosphere's protective ozone layer.
Crutzen由于揭示了人造化学物质吞噬大气层中的臭氧保护层而分享了诺贝尔化学奖，他说这一“人类时期”是长是短尚不得而知。
But this is only part of the story that we celebrate on the international day for the preservation of the ozone layer (16 September).
但是，这仅仅是我们庆祝“保护臭氧层国际日”(9月16日)的部分原因。
For instance, HFC-134a and a whole family of related chemicals could be dealt with by extending the Montreal protocol created to protect the ozone layer from similar industrial gases.
比如，HFC- 134a和全部与之相关的化学物都能够通过推动蒙特利尔协定书来处理掉，这个协定书用以保护臭氧层免受类似工业气体的污染。
When they belittle us for demanding clean air and clean water for trying to save the oceans and the ozone layer, that's wrong.
当他们轻视我们过分要求清洁的空气和清洁的水来设法拯救大洋和臭氧层，那是错的。
The stratospheric ozone layer, for example, is still getting thinner.
例如，在同温层高处的臭氧层还是日渐稀薄。
Once photosynthesis had raised atmospheric oxygen levels high enough, the ozone layer formed, meaning that it was then possible for living things to venture onto the land.
一旦光合作用上升了大气氧气成水平足够高，臭氧层被形成，意味，它是然后可能为生存事冒险土地。
For instance, refrigerators emit fluorine into the atmosphere, which has been proven detrimental to the ozone layer.
比如，电冰箱会释放氟，这种气体已经证明破坏了臭氧层。
The report is the first comprehensive update in four years on the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol.
该报告是四年来首次对《保护臭氧层维也纳公约》和《蒙特利尔议定书》的全面更新。
However, its harmful effect to the atmospheric ozone layer has been deeply concerned by the international society. Much research works have been done to seek for the substitutes of them.
但其对大气臭氧层的破坏作用，已引起了国际社会的高度重视，各国对其替代产品的研究做了大量的工作。
We must seek immediate solutions for problems leading to the rapid depletion of the earth's ozone layer.
咋们必需追求立刻解决引起地球臭氧层疾速损耗地问题得办法。
The basic principle of atmospheric ozone layer destruction hy polyurethane blowing agent CFC-11, and various way, developmental trend and economic feature of substitution for CFC-11 were reviewed.
简述了CFC - 11对大气臭氧层破坏的基本原理，介绍了聚氨酯cfc - 11替代的不同途径及发展趋势，评价了CFC - 11替代的经济特性。
It can remain in the atmosphere for several weeks and break down into other toxic chemicals, some of which are suspected to contribute to the depletion of the ozone layer.
它可以留在大气层的几个星期，并打破下跌到其他有毒化学品，其中一些被怀疑捐款给臭氧层耗竭。
On this International Day for the Preservation of the Ozone Layer, let us remember how much has already been accomplished, and commit to do more to protect our atmosphere.
值此保护臭氧层国际日之际，让我们铭记已经取得的成就，致力开展更多行动保护大气层。
Thirty years ago, the international community signed the Vienna Convention for the Protection of the Ozone Layer.
30年前，国际社会签署了《保护臭氧层维也纳公约》。
Thirty years ago, the international community signed the Vienna Convention for the Protection of the Ozone Layer.
30年前，国际社会签署了《保护臭氧层维也纳公约》。
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