Ozone layer hole appears to be healing, scientists say

Research by US and UK scientists shows the size of the hole has shrunk, and the layer will eventally recover, albeit slowlyThe vast hole in the ozone layer above Antarctica appears to be healing, scientists say, putting the world on track to eventually remedy one of the biggest environmental concerns of the 1980s and 90s.Research by US and UK scientists shows that the size of the ozone void has shrunk, on average, by around 4m sq km since 2000. The measurements were taken from the month of Septe