European Geosciences Union
A new study has revealed that ozone levels in the heavily populated lower latitudes don't seem to be recovering as well as regions near the poles. Although there isn't yet a clear explanation as to why this is happening, blame may still rest on short-lived ozone-destroying chemicals.
It is expected to prevent 280 million cases of skin cancer in the US alone. Without it, the sun would burn skin in minutes. Yet the strides made by the Montreal Protocol in repairing our ozone layer may be undone thanks to dangerous chemicals now making their way into the upper atmosphere.