Pollutant Hazards

Topics: Pollution, Ozone, Air pollution Pages: 7 (1979 words) Published: March 20, 2011
Pollutant Hazards


SCI 275

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There are many different types of pollution that affect our environment and our health each and every day while creating atmospheric issues.

Air Pollutants

Lets start with “Air Pollution” which is created by both human and natural resources including but not limited to CO, SO2, most hydrocarbons, most particulates, CO2, NO, NO2, HNO2, HNO3, H2O2, SO3, H2SO4. Air pollution is a big atmospheric issue that continues to become a greater concern, especially when it comes to the health of living things including humans, animals and plants on our earth.

Carbon dioxide (CO2) can derive from vehicles, factories, furnaces, and etc. Carbon monoxide is poisonous and reduces the blood’s ability to transport oxygen Chlorofluorocarbons (CFCs) Air Pollutants Chlorofluorocarbons cause solar UV reaches Earth’s surface Ground-level ozone (O3) Sunlight; Nitrogen Oxides, Volatile Hydrocarbons which when all combined create the component called Photochemical Smog, ozone reduces air visibility and causes health Ground-Level can reduce plant vigor, and create chronic ozone exposure (of long duration); it can also lowers crop yields. The Ground-Level Ozone is associated with global warming and a contributor to the consistent forest decline Sulfuric acid (H2SO4) Sulfur trioxide and water Sulfuric Acid damages plants and irritates the respiratory tracts of humans and other animals

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However, some pollutants may not have direct health effects. Air pollutants are contributed by vehicles, factories, the burning of plastics, various gases released into the air, along with several other contributing factors.

Air Pollutant’s can cause the respiratory systems to be irritated and cause COPD, Asthma and other chronic respiratory illnesses. Air pollutants can also reduce the blood’s ability to transport oxygen throughout the body. (In brief; Heart aches for clean air, Harvard Health Letter) Air Pollutants affects our bodies and the abilities for our bodies to function effectively in a healthy state as well as the environmental surrounding and animals that live within the environment.

Over the last several years, different groups of epidemiologists from all over started to look beyond the lungs and research how air pollution might affect cardiovascular disease. (In brief; Heart aches for clean air, Harvard Health Letter) Through the findings and facts of the epidemiologist research, there was very little doubt to the conclusion that there is a connection between the fine particles in air pollution and cardiovascular disease; however, the association of air pollution and cardiovascular disease is not as significant as the association of cigarette smoking leading to cardiovascular disease, which increase an individuals chance of being diagnosed and dying from cardiovascular disease. (In brief; Heart aches for clean air, Harvard Health Letter )  “A review of studies published last year in Circulation found that each 10- Pollutant HazardsPg 3

microgram-per-cubic-meter increase in particle pollution hikes cardiovascular disease risk by 8%-18%. Put another way, breathing the air in a polluted city increases cardiovascular risk about half as much as living with a smoker”. (In brief; Heart aches for clean air, Harvard Health Letter) Water Pollutants

When speaking of water pollutants, we will discuss both fresh water pollutants and Ocean Water Pollutants and a few of their challenges.
Fresh water pollutants are contributed by both human activities and natural resources. Water pollutants come from soil, livestock waste, pesticides, salt, mining waste, construction sediments as well as other contributors. (Kennedy, Robert F., Jr. "Who speaks for the environment?) Another challenge fresh water faces among the pollution, is called “aquifer depletion”, which is the removal or absorption of fresh water rapidly than it...

References: "In brief; Heart aches for clean air." Harvard Health Letter (July 2005): N/A. General OneFile. Gale. Apollo Library. 5 Oct. 2008 
Kennedy, Robert F., Jr. "Who speaks for the environment?." Canadian Parliamentary Review 23.3 (Fall 2000): 6-13. General OneFile. Gale. Apollo Library. 5 Oct. 2008 
System Model of Ground Probation; www.cs.berkeley.edu/~zf/papers/mcm _pollution.pdf
Morton, S. D. (1976). Water pollution: causes and cures. Madison, Wis: Mimir.
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