The ozone layer, our protection against the sun's UV rays, is made of oxygen.

氧气组成的臭氧层使人免受紫外线伤害。

The ozone layer is becoming very thin and letting too many dangerous rays reach us.

臭氧层变薄，人类会遭到许多危险射线侵扰。

The ozone layer surrounds the Earth roughly 25km above us. Many human activities are thinning the layer.

臭氧层在地球表层上空大约25km的位置。许多人类活动正削薄臭氧层。

Other aerosols can host chemical reactions that damage the ozone layer.

其他气溶胶可以主导伤害臭氧层的化学反应。

The hole in the ozone layer is getting smaller.

臭氧层的空洞正越来越小。

However, the study said the ozone layer is improving.

然而，该研究称，臭氧层正在改善。

The ozone layer is a sort of " belt" around the Earth made up of gaseous molecules.

臭氧层是一种由气体分子组成的环绕地球的“带”。

So, we are talking about the hole in the ozone layer again.

那么，我们又在讨论臭氧层空洞。

A chemical that helped to create a hole in the ozone layer is reappearing.

一种导致臭氧层空洞的化学物质重新出现。

The UN now predicts the ozone layer will return to its 1980 level by 2066.

目前联合国预测，到 2066 年，臭氧层将恢复到 1980 年的水平。

An international report says human action to save the ozone layer appears to have worked.

一份国际报告称，人类拯救臭氧层的行动似乎奏效了。

It's linked to global warming, acid rain, effects on wildlife, depletion of the ozone layer.

空气污染和全球变暖、酸雨、野生动物保护、臭氧层耗竭这些问题息息相关。

The ozone layer is mainly high in the atmosphere and prevents dangerous solar radiation from reaching the surface of the Earth.

臭氧层主要位于大气高层，防止危险的太阳辐射到达地球表面。

As a result, the hole in the ozone layer that forms above Antarctica has mostly stabilized.

因此, 在南极洲上空臭氧层形成的空洞已经趋于稳定。

Research has shown that chemical pollutants released into the atmosphere shrink the ozone layer over time.

研究表明，随着时间的推移，释放到大气中的化学污染物会使臭氧层缩小。

To help save the ozone layer, many manufacturers have stopped producing aerosol cans that use CFCs.

为了挽救臭氧层，很多制造商已停止生产使用氯氟烃的喷雾罐。

Scientists warned that humanity was on track to completely destroy the ozone layer by 2050.

科学家警告说，到2050年，人类将完全破坏臭氧层。

" I think we will eventually see large scale depletions of the ozone layer in other latitudes."

“我认为，我们最终将看到其他纬度的臭氧层大规模消耗。”

Scientists found that when released into the air, the chemicals damaged the ozone layer, creating the hole.

科学家发现，CFCs释放到空气里会破坏臭氧层造成臭氧空洞。

But now air pollution is destroying it and making a very big hole in the ozone layer.

但是现在空气污染正在破坏它，并且使臭氧层出现了空洞。