Ozone layer 'rescued' from CFC damage - BBC News | EL KAOS UT

A steady decline in the levels of ozone-harming CFC chemicals in the atmosphere has resumed, scientists say.

CFC ban is shrinking hole in ozone layer, says NASA

The hole in the ozone layer has shrunk thanks to low levels of chlorine in the stratosphere – a drop brought about by the ban on CFCs, according to the latest NASA research.