But there is some good news too :

Due to change from CFC to Non- CFC gases worldwide, ozone hole is healing and is likely to be covered fully by 2050.
Nature reserve and parks are expanding to 5% of land in Europe & 11% in north America.

Renewable energy source have increased its share to 4.5% from 3.2% in 2004 and is increasing gradually.
Urban Air pollution has been brought under control in middle and high income countries.