Essay - The Ring of Haze Surrounding Modern Cities Looms Ominously and...

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The ring of haze surrounding modern cities looms ominously and the hole in the ozone layer grows, but people rarely underst***** that air pollution is within our control. The causes of air ***** are many, and save for natural contributions to temporarily poor air quality, ***** bulk of ***** pollution problems are results ***** human technological advances. Since the Industrial Revolution, massive amounts of fossil fuels like coal and oil have been and continue to be consumed. The benefits ***** industry may indeed outweigh the detriments, but it is finally time for technology to solve its own problems. Until the past few decades, the spoils of industrialization were taken for granted. We can ********** our forebears for their ignorance in develop*****g technologies with unforeseen consequences. Who could have known how human life would benefit by burning coal for electricity or oil ***** automobiles? However, the ***** ***** these fuels has caused an epidemic of health *****d environmental problems and contributed to a general degradation of ***** on earth.

Air pollution is a bro*****d term ***** actually refers to a gamut of familiar environmental *****. These problems include acid rain, domestically produced smoke, smog, the greenhouse effect, particulates, radionuclides, and the depletion of ***** ozone layer. By far the biggest contribut***** to air ***** in general is ***** burn*****g of fossil fuels, by both automobiles and factories. Power stations and road vehicles ***** boons to civilization but are also at the root of environmental and health d*****asters. Acid rain is one of the fallouts of the ***** Revolution; before the proliferation of factories, the pH level of ***** tended to be slightly acidic, ***** rarely *****low pH 5. Since the Industrial Revolution, sulphuric acid and nitrogen gases that evaporate ***** combine with ********** water cause rain to ***** a pH level ***** 5 or lower. Cars are also the most major *****or to smog. Cities with huge transportation networks exhibit ***** highest *****s of smog, especially if the city is geographically located in a basin that traps air. Los Angeles and Mexico City are perfect examples of ***** havens. The internal combustion engine ***** have revolutionized human life, but it also pollutes it due ***** the number ***** particulates that now litter our air. Particulates are the large particles suspended in the air that not only cause smog ***** seep into the lungs of all animals. They include ***** from *****, diesel fuel, ***** dust.

Fossil ***** burning at power st*****ions ***** *****s an excess of carbon dioxide to be emitted ***** the environment. This ***** only creates acid rain but also contributes to ***** greenhouse ***** and global warming. Chlorofluorocarbons, which are commonly used in ***** conditioning, refrigeration, and solvents, also kindle the greenhouse effect, as does deforestation. Agriculture and waste disposal are also major culpr***** that bring about ***** warming as ***** ********** emit ***** g*****es.

***** come from processes like X-rays that emit ionizing radiation, causing severe detrimental effects on ***** life forms. Besides governmental regulati*****, steps must


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