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。

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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。

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Scientists studying the Earth's ozone layer claim that huge amounts of ozone were lost over the Arctic region this year.

研究地球臭氧层的科学家声称，今年在北极地区已经丧失了大量的臭氧。

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Many old fridges contain chemicals called Chlorofluorocarbons (CFCs) which damage the Earth's ozone layer.

BBC: Ghana bans second-hand fridges

Nitrous oxide is also considered a greenhouse gas and is 310 times more dangerous to the Earth's ozone layer than carbon dioxide, said Joseph Johns, chief of the U.S. attorney's environmental crimes section.

NPR: Feds Raid 17 Calif. Businesses For Nitrous Oxide

The ozone layer protects living things on the Earth's surface from the Sun's ultra-violet radiation.

BBC: Ill wind 'killed dinosaurs'