"Peoplehave imagined that ifwe stoppedemittingcarbon dioxide the climatewouldgo back to normalin 100 years, 200 years; that's nottrue," lead authorSusanSolomontoldreporters.
"Unfortunately, it's going to be several decades before we see the end of the Antarctic ozone hole, " said Dr SusanSolomon of the United States National Oceanic and Atmospheric Administration.