The ozone layer only recovered after 40 years
Xinhua quoted Geir Braathen, a WMO expert, saying that in the past decade, the stratospheric ozone layer in the Arctic and Antarctic regions as well as globally has not decreasedOzone hole ... is shrinking
World Meteorological Organization (WWO) predicts ozone depletion in Antarctica, this year, is likely to be smaller than the loss in 2008.