The ozone layer

The ozone layer is projected to recover to its pre-1980 levels by 2050, according to the UN. Without this vital layer of protection absorbing radiation from the sun, life on Earth would be pretty-much non-existent. World Ozone Day is celebrated on September 16, 2012.

AFP - The ozone layer is projected to recover to its pre-1980 levels by 2050, according to the UN. Without this vital layer of protection absorbing radiation from the sun, life on Earth would be pretty-much non-existent. World Ozone Day is celebrated on September 16, 2012.