Unit 4: Air Pollution

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16 Terms

1

Asthma

A chronic inflammatory respiratory disorder characterized by "attacks" in which airways narrow, making it difficult to breathe

<p>A chronic inflammatory respiratory disorder characterized by "attacks" in which airways narrow, making it difficult to breathe</p>
2

Air Pollution

any material added to the atmosphere (naturally or by humans) that harms living organisms, affects the climate, or impacts structures

<p>any material added to the atmosphere (naturally or by humans) that harms living organisms, affects the climate, or impacts structures</p>
3

Primary Air Pollution

substances directly emitted from a process

<p>substances directly emitted from a process</p>
4

Secondary air pollution

pollutants form in the air where primary pollutants react or interact (smog)

<p>pollutants form in the air where primary pollutants react or interact (smog)</p>
5

Ground-Level Ozone

a secondary pollutant that forms when some of the pollutants released during fossil fuel combustion react with atmospheric oxygen in the presence of sunlight

<p>a secondary pollutant that forms when some of the pollutants released during fossil fuel combustion react with atmospheric oxygen in the presence of sunlight</p>
6

Particulate Matter

particles or droplets small enough to remain suspended in the air for long periods of time

<p>particles or droplets small enough to remain suspended in the air for long periods of time</p>
7

Smog

hazy air pollution that contains a variety of pollutants including sulfur dioxide, nitrogen oxides, tropospheric ozone, and particulates

<p>hazy air pollution that contains a variety of pollutants including sulfur dioxide, nitrogen oxides, tropospheric ozone, and particulates</p>
8

Point Source Pollution

pollution that enters the air from a readily identifiable source such as a smokestack

<p>pollution that enters the air from a readily identifiable source such as a smokestack</p>
9

Nonpoint source pollution

pollution that enters the air from dispersed or mobile sources

<p>pollution that enters the air from dispersed or mobile sources</p>
10

Acid Deposition (acid rain)

Precipitation that contains sulfuric or nitric acid, dry particles may also fall and become acidified once they mix with water

<p>Precipitation that contains sulfuric or nitric acid, dry particles may also fall and become acidified once they mix with water</p>
11

Transboundary Pollution

pollution that is produced in one area but falls in a different state or nation

12

Command and Control

regulations that set an upper allowable limit of pollution release which is enforced with fines and/or incarceration

13

Clean Air Act

First passed in 1963 and amended most recently in 1990, this U.S. law authorizes the EPA to set standards for dangerous air pollutants and enforce those standards.

<p>First passed in 1963 and amended most recently in 1990, this U.S. law authorizes the EPA to set standards for dangerous air pollutants and enforce those standards.</p>
14

Green Tax

a tax placed on environmentally harmful activities or emissions

15

Tax Credit

a reduction in the tax one has to pay in exchange for some desirable action

<p>a reduction in the tax one has to pay in exchange for some desirable action</p>
16

Cap and Trade

regulations that set an upper limit for pollution emissions, issue permits to producers for a portion of that amount, and allow producers that release less than their allotment to sell permits to those who exceeded their allotment