GENEVA: Depletion of the protective ozone layer has reached record levels over the Arctic, the UN weather agency WMO said Tuesday, blaming harmful substances in the atmosphere and a very cold winter.
By
AFP
|
April 05, 2011
GENEVA: Depletion of the protective ozone layer has reached record levels over the Arctic, the UN weather agency WMO said Tuesday, blaming harmful substances in the atmosphere and a very cold winter.