ScienceMontreal Protocol Pays Off: Antarctic Ozone Layer Shows Signs Of Healing The Antarctic ozone hole shows signs of shrinking. Scientists said the healing of the ozone layer could be primarily attributed to a 1987 international treaty that sought to ban CFCs and similar substances.by Rhodi Lee
ScienceAntarctic Ozone Hole Now The Size Of Russia, Canada Combined: Expansion Due To Cold, Says UN Climate Agencyby Rina Marie Doctor
ScienceUN Climate Experts Say Expanding Hole In The Ozone Layer Is No Reason For Panicby Alyssa Navarro
ScienceSupposedly 'safer' synthetic gases replacing ozone-destroying CFCs could be a climate risk factorby Jim Algar