Ozone layer 'shows signs of recovery', say scientists
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 aerosol cans, were phased out in the 1980s.
Roger Harrabin reports.
10 Sep 2014
- From the section Science & Environment