The hole in the ozone layer above Antarctica was the smallest for a decade in 2012, satellite data reveals.
Read about it here and watch the animation. Note that the article admits in the last paragraph that climate is a factor.
This emphasis on reduced emission is a hoax. Little progress has been made in reducing emissions. In fact, as the chart below shows, carbon dioxide emissions are at the same level today as they were in 1992.
Greenhouse gas emissions were higher in 2010 than in 1990, as shown in the chart below.