Ozone layer ’shows signs of recovery’ - BBC News

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. Subscribe to BBC News HERE Check out our website: Facebook: Twitter: Instagram: