Monday, March 10, 2014

Scientists find four new man-made gases that harm ozone layer

A team of scientists from University of East Anglia in England have found four new man-made chemicals that harm the ozone layer, according to a paper published on Sunday in the journal Nature Geoscience. The findings identify... ...

The ozone cycle

http://www.examiner.com/article/scientists-find-four-new-man-made-gase