Images: NASA says ozone layer is healing

The chart shows NASA/NOAA satellite data comparing stratospheric chlorine and the thickness of the ozone layer. As stratospheric chlorine declined in response to the Montreal Protocol, the amount of stratospheric chlorine began to decline while the ozone layer began to recover.


By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...