Ozone (O3) is an interesting gas that figures prominently in discussions of atmospheric air pollution. Expanding on your answer for Question 1 above, give a detailed description as to how tropospheric ozone forms and also describe three environmental/public health problems associated with high levels of tropospheric ozone. Next, discuss the basic chemical process by which the emission of chlorofluorocarbons (CFCs) into the stratosphere resulted in the production of what came to be known as the “ozone hole.” Describe why stratospheric ozone is crucial for maintaining life on earth (at least as we currently know it), and why this scientific consensus about the importance of ozone proved crucial in the international ratification of the Montreal Protocol. Finally, how does the ozone hole relate to global warming and climate change?
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