We´ve got another ozone problem, and it´s not what you think
(WorldNews Environment)

Most of us know ozone as that benevolent stratospheric layer that absorbs the sun´s harmful UV light and keeps us safe. In the 1980s, scientists found a `hole` in the ozone layer — really just a large section that was getting precariously thin — caused by the use of potent chemicals called CFCs. The world took action and rapidly banned CFCs,...