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Topic Atmosphere Chemistry Pollution has always been an emotive irrespective of whether it occurs in the air on land or at sea In the latter half of this century much attention has been drawn to air pollution caused by modern methods of communication although some cradles of the Industrial Revolution must have experienced local levels of high pollution quite unimaginable by present standards Campaigns against the more widespread effects of atmospheric pollution are constantly mounted by the media of which the printed word is only a part meanwhile scientific knowledge still advances on all fronts This greater appreciation allows a more fundamental understanding of the consequences of pollution upon the whole environment and all those who live in it Atmosphere chemistry involves understanding the chemical composition of the natural atmosphere the way gasses liquids and solids interact with each other and how human activities may be changing the chemical and physical characteristics of the atmosphere The difficulty is making out what it all means and what the consequences are to all of us and to the world in which we live The enhancing of the Green House Effect air pollution and the depletion of the Earths Ozone Layer are the major hazardsconsequences that the human race has put on itself over the last one hundred years for revolutionizing into a much more sophisticated society Fossil fuels such as crude oil or petroleum coal natural gas are burnt to provide society with the adequate energies communication and transport we need to keep extending and functioning By burning these fossil fuels a variety of pollutants are emitted Carbon dioxide oxides of Nitrogen Hydrocarbons Chlorofluorocarbons CFCs and Sulfur dioxide into the Earths TroposphereStratosphere These pollutants are altering the characteristics of the Earths atmosphere thus having an effect on all life forms upon the Earth The problems associated with the changes in our atmosphere include acid rain photochemical smog changes in the carbon and nitrogen cycles
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