Ozone Depletion
ByDipen Chauhan
Basics
• What is Ozone?• What is the Ozone Layer?
Ozone Hole
• Actually a region of thinned ozone, not actually a pure hole - doesn't make headlines like it used to.
• Not to be confused with global warming.• Good News• Bad News
Ozone Hole contd.
Mechanism
Mechanism of depletion
Impacts of Ozone Depletion
• Health impacts• Environmental impacts
Prevention
• Montreal Protocol on Substances that Deplete the Ozone Layer was finally agreed upon on 16 september 1987
Acknowledgements
• BBC News “Deep reflections on the ozone story” Richard Black. May 5 2010
• Theozonehole.com• Ozone Depletion Wiki• Ottawa Citizen “Nitrous oxide is top destroyer
of ozone layer: study” AFP. Sep 1, 2009• Tehran Times “Whatever happened to the
hole in the ozone layer?”. May 9, 2011
