Ozone hole is second-largest on record in 2008 mongabay.com

by mongabay.com

Ozone depletion is caused by release of ozone-destroying chemicals — including chlorofluorocarbon (CFC) compounds known as "freons" and bromofluorocarbon compounds known as Halons — into the atmsophere. In 1987, following the discovery of their culpability in ozone depletion, the international community adopted the Montreal Protocol which banned the production of CFCs and halons as well as related ozone-depleting chemicals. Selengkapnya