Write an essay on "the problem of pollution "
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Some may recall the great smogs of the 1950s which resulted in thousands of premature deaths. These pollutant laden fogs were a product of huge quantities of coal being burned for both domestic and industrial use and thankfully are a thing of the past. Since then improved legislation and tougher air quality targets have reduced such pollution episodes.
Nowadays much of our outdoor pollution is a result of combustion of fossil fuels to generate power and heat and to power vehicles. Combustion results in gases such as Nitrogen Oxides, Nitrogen Dioxide and particulates. These gases may also react with other gases in the air to form secondary pollutants such as Ozone. Good air quality is essential for our health, quality of life and the environment. Air becomes polluted when it contains substances which can have a harmful effect on the health of people, animals and vegetation.
A variety of air pollutants have known or suspected harmful effects on human health and the environment. The main causes of air pollution include transport, domestic combustion and industrial processes. Pollutants from these sources can cause problems in the immediate vicinity and a distance away.
In the winter months smogs are formed due to temperature inversion weather conditions. Across the South of England, photochemical summer smogs occur resulting in high concentrations of low-level (tropospheric) ozone.
Nowadays much of our outdoor pollution is a result of combustion of fossil fuels to generate power and heat and to power vehicles. Combustion results in gases such as Nitrogen Oxides, Nitrogen Dioxide and particulates. These gases may also react with other gases in the air to form secondary pollutants such as Ozone. Good air quality is essential for our health, quality of life and the environment. Air becomes polluted when it contains substances which can have a harmful effect on the health of people, animals and vegetation.
A variety of air pollutants have known or suspected harmful effects on human health and the environment. The main causes of air pollution include transport, domestic combustion and industrial processes. Pollutants from these sources can cause problems in the immediate vicinity and a distance away.
In the winter months smogs are formed due to temperature inversion weather conditions. Across the South of England, photochemical summer smogs occur resulting in high concentrations of low-level (tropospheric) ozone.
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