OZONE DEPLETION

• IN 1986 THE NIMBUS SATELLITE DETECTED DEPLETION OF THE OZONE BARRIER OVER THE NORTH POLE.

• IN THAT YEAR SCIENTISTS CALCULATED THAT THE EARTH HAD LOST 3 PERCENT OF ITS OZONE SHIELD SINCE 1920, MOST OF IT DURING THE 1970s.

Previous slide

Next slide

Back to first slide

View graphic version