In 1985 scientists discovered a dangerous hole in the earth’s atmosphere. Less than two years later, world leaders signed a landmark treaty banning the chemicals that cause it.. Show more
Discover 11,128,835 listings and 280,420 playable programmes from the BBC
In 1985 scientists discovered a dangerous hole in the earth’s atmosphere. Less than two years later, world leaders signed a landmark treaty banning the chemicals that cause it.. Show more
The BBC's international radio station
