英语听力精选进阶版 14500

Ozone¹ layer 'recovering'

12 September 2014

The Earth's protective ozone layer is starting to repair itself, according to a panel of United Nations scientists. The main reason behind its recovery, they say, is the fact that certain chemicals, such as those used in aerosol² cans, were gradually banned in the 1980s.

Reporter:

Roger Harrabin

Report

It was in the 1980s that many of us became aware that small individual actions could harm the planet itself. 

Hairsprays were cited as one of the causes of the hole in the Antarctic ozone layer. People were told to wear sunscreen to avoid skin cancer as the layer thinned and more UV light got through. 

By 1987 world governments had agreed to ban most of the ozone-eating chemicals. 

The World Meteorological Organisation³ say at last the ozone layer is showing signs of thickening, although it will be a while before they know if the hole is actually healing. 

The same organisation warned earlier this week that climate change was heading in the opposite direction with greenhouse gases in the atmosphere at a record level.

1 ozone   

n.臭氧，新鲜空气

参考例句：

• The ozone layer is a protective layer around the planet Earth.臭氧层是地球的保护层。
• The capacity of ozone can adjust according of requirement.臭氧的产量可根据需要或调节。

2 aerosol   

n.悬浮尘粒，气溶胶，烟雾剂，喷雾器

参考例句：

• They sprayed aerosol insect repellent into the faces of police.他们将喷雾驱虫剂喷在了警察的脸上。
• Aerosol particles affect visibility,climate,and our health and quality of life.气溶胶对大气能见度、气候变化以及人类健康等有重要影响。

3 organisation   

n.组织，安排，团体，有机休

参考例句：

• The method of his organisation work is worth commending.他的组织工作的方法值得称道。
• His application for membership of the organisation was rejected.他想要加入该组织的申请遭到了拒绝。