The ozone hole had been growing for decades over Antarctica.

几十年来，南极洲上空的臭氧层空洞在不断扩大。

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

其气溶胶可以主导伤害臭氧层的化反应。

Next, a dryer-like tumbler uses ozone to fade jeans.

接下来，一个干式滚筒利用臭氧使牛仔裤褪色。

This means the size of the ozone hole changes year on year.

这意味着臭氧层空洞的大小每年都在改变。”

Around the earth, there's a special kind of oxygen call " ozone" (O3).

地球周围有一种很特别的氧，名为“臭氧”（O3）。

Near Earth, ozone in the air is a danger to life.

地球周边空气所含的臭氧对人类有害。

But closer to Earth's surface, ozone is a common pollutant.

但更靠近地球表面的话，臭氧就会是一种常见的污染物。

Ground level ozone and particle pollution are the greatest threat to human health.

地表臭氧和颗粒污染物是人类健康的最大威胁。

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物质重新出现。

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。

He shared the 1995 Nobel Prize for Chemistry for his research on the ozone issue.

臭氧研究获得1995年诺贝尔化奖。

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。

Ozone depletion relies on extremely cold temperatures.

臭氧消耗依赖于极冷的温度。

The disappearing ozone layer causes increased temperatures around the world, triggering cyclones, tsunamis and hurricanes.

臭氧层的消失导致全球气温升高，引发龙卷风，海啸和飓风。

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。

It would be enough to totally destroy the Earth's ozone layer.

这足以彻底摧毁地球的臭氧层。

Susan Solomon compared the ozone hole to a patient that needs healing.

Susan Solomon将臭氧空洞当做一名需要治愈的患者。

Free oxygen and ozone disappear from the atmosphere, and all complex life on Earth will die.

游离氧和臭氧从大气中消失，地球上所有复杂的生命都将死亡。

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。

Each year in August the ozone hole begins to grow and reaches its peak around October.

每年8月，臭氧空洞开始扩大，并在10月左右达到峰值。