Ozone-eating clouds that erode Earth's protection against ultraviolet radiation are born in thin rings of supercold air over the North and South Poles, scientists reported yesterday. The Sun's
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ozone-eating-clouds-form-cold-polar-rings-study
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer