1. Decide whether the event shifts the supply or demand curve (or perhaps both).\ 2. Decide in which direction the curve shifts. 3. Use the siupply-and-demand diagram to see how the shift changes the equilibrium price and quantity.
Man-made causes of depletion of ozone layer: The main cause for the depletion of ozone is determined as excessive release of chlorine and bromine from man-made compounds such as chlorofluorocarbons (CFCs).
Environmental Effects of Ozone Layer Depletion: 1994 Assessment. United Nations Environment Programme, Nairobi, Kenya, 1994. Health, solar UV radiation and environmental change. A Kricker, BK Armstrong and RD Burton (eds), Lyon, International Agency for Research on Cancer (IARC Technical Report 13), IARC 1993.