4. There is some controversy over what constitutes \"pollution\'. Some argue it

Question

4. There is some controversy over what constitutes "pollution'. Some argue it should be limited to substances that are only man-made, while others think it should be defined as anything that harms humans and/or the environment. Give a specific example of a substance (solid, liquid, or gas) that is both naturally occurring and man-made, and indicate your reasoning as to whether or not this substance should be classified as a pollutant. (6 pts) 5. You are an environmental attorney whose client, a New Hampshire trout fishery, is seeking restitution from a power plant consortium located in southwestern Pennsylvania. Your client's lake has become dangerously acidic and can no longer support fish. Your dlient is convinced that acid rain deposition from these power plants created this condition. a Using the maps below, briefly describe an argument that you could use on behalfof your client: (5 pts) ind and brility eacribo a REAL-LIFE qxampl o th hypotheticar Bruation descrited bove 6 pto)

Explanation / Answer

Ans 4.

1Air pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life (such as the damaging of the ozone layer or causing global warming).

2Radioactive Pollution is defined as the increase in the natural radiation levels caused by human activities. It is estimated that about 20% of radiation we are exposed to is due to human activities. The human activities that can release radiation involve activities with radioactive materials such as mining, handling and processing of radioactive materials, handling and storage of radioactive waste, as well as the use of radioactive reactions to generate energy (nuclear power plants), along with the use of radiation in medicine (e.g. X-rays) and research. But what about microwaves, cell phones, radio transmitters, wireless devices, computers, and other common commodities of today’s life?
3Chemical pollution is defined as the presence or increase in our environment of chemical pollutants that are not naturally present there or are found in amounts higher than their natural background values. Most of the chemicals that pollute the environment are man-made, resulted from the various activities in which toxic chemicals are used for various purposes.

4Oil Spill Pollution refers to the negative polluting effects that oil spills have on the environments and living organisms, including humans, due to the environmental discharge of various organic compounds that make up crude oil and oil distillate products, the majority of which include various individual hydrocarbons.
5Noise pollution is generally defined as regular exposure to elevated sound levels that may lead to adverse effects in humans or other living organisms. According to the World Health Organization, sound levels less than 70 dB are not damaging to living organisms, regardless of how long or consistent the exposure is. Exposure for more than 8 hours to constant noise beyond 85 dB may be hazardous. If you work for 8 hours daily in close proximity to a busy road or highway, you are very likely exposed to traffic noise pollution around 85dB.

Air pollution is probably one of the most serious environmental problems confronting our civilization today. Most often, it is caused by human activities such as mining, construction, transportation, industrial work, agriculture, smelting, etc. However, natural processes such as volcanic eruptions and wildfires may also pollute the air, but their occurrence is rare and they usually have a local effect, unlike human activities that are ubiquitous causes of air pollution .

6.The chemical compounds that lower the air quality are usually referred to as air pollutants. These compounds may be found in the air in two major forms:
* in a gaseous form (as gases),
* in a solid form (as particulate matter suspended in the air).
SULFUR OXIDES (SOX)
NITROGEN OXIDES (NOX)
CARBON MONOXIDE (CO)
CARBON DIOXIDE (CO2)
VOCS (VOLATILE ORGANIC COMPOUNDS)
PARTICULATE MATTER (PM)
HG IN GASEOUS FORM
RADIOACTIVE POLLUTANTS
AMMONIA (NH3)

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