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 pollution are many, and save for natural contri*****ions to temporarily poor ***** quality, ***** bulk of air pollution problems are results ***** human technological advances. Since the Industrial Revolution, massive amounts of fossil fuels like coal ***** oil have been and continue to be consumed. The benefits of industry may indeed outweigh the detriments, but it is finally time ***** technology to solve its own problems. Until the past few decades, the spoils ***** industrialization were taken for granted. We can forgive 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 for automobiles? However, the burning of these ***** has caused an epidemic of health *****d environmental problems and contributed to a general degradation ***** ***** on earth.

Air pollution is a bro*****d term that 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 the ozone *****. By far the biggest contribu*****r to air pollution in general is the ***** ***** 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 disasters. Acid rain is one of ***** fallouts of the Industrial Revolution; be*****e the proliferation ***** factories, the pH level of ***** tended to be slightly **********, but rarely *****low pH 5. Since the Industrial Revolution, sulphuric acid ***** nitrogen gases that evaporate and combine with airborne water cause rain to have a ***** level ***** 5 or lower. Cars are ***** the most major contributor to smog. Cities with huge transportation networks exhibit ***** highest levels 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 may have revolutionized human life, but it also pollutes it due to the number ***** particulates that now l*****ter our air. Particulates are the large particles suspended in the air that not only ***** smog but seep ********** the lungs of all animals. They include ***** from smoke, diesel fuel, ***** dust.

Fossil ***** burning at power st*****ions ***** causes an excess of carbon dioxide to be emitted into the environment. This not only creates acid rain ***** also contributes to ***** greenhouse effect and global warming. Chlorofluoro*****s, which are comm***** used in air conditioning, refrigeration, and solvents, also kindle the greenhouse effect, as does deforestation. Agriculture and waste disposal ***** also major culpr***** that bring about global warming as their by-products emit ***** *****.

***** 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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