The hole in the ozone layer is at its smallest since 1988 and warmer climates could be the reason behind reduced depletion of the protective layer in the Earths atmosphere. In spite of this recovery, Nasa mentions that there is enough ozone depleting material in the atmosphere to cause significant damage. That is why the current hole, though small by records, is actually large by 1980s standards.
Nasa finds hole over ozone at its smallest since 1988
Nov 3, 2017 17:15 IST