Ozone Hole has been 'remarkably massive' over the past four years: Scientists warn gap over Antarctica is larg

Ozone Hole has been 'remarkably massive' over the past four years: Scientists warn gap over Antarctica is larger and deeper than ever - and say CFCs aren't the only things to blame - UN report this year claimed the ozone hole is on track to becoming mended - But a study claims it's still too large, despite the ban on chemicals that cause it It was almost 36 years ago that experts agreed to ban the production of a damaging …