Respond to the question using the lessons and vocabulary found in the readings. Support your response with examples and research. Your response should clarify your understanding of the topic. It should be your own—original and free from plagiarism. Follow APA format for the writing style, spelling and grammar, and citation of sources.
Start reviewing and responding to the postings of your peers as early in the week as possible. Respond to at least two of your peers. Participate in the discussion by analyzing each response for completeness and accuracy and by suggesting specific additions or clarifications for improving the discussion question response.
Air pollutants have been documented to harm people in a variety of ways. Indoor air pollutants are an important source of exposure since so much of modern life occurs indoors. Figure 10–16 in your textbook shows key sources of indoor air pollution but omits an important one—tobacco. The Clean Air Act and other US agencies regulate outdoor air pollutants and environmental health laws. Industry is one source of air pollution, emitting a variety of volatile organic compounds (VOCs), combustion products, and other toxic compounds. Households are also a significant air pollution source. Environmental Protection Agency (EPA) data show that even though today’s cars emit 75%–90% less pollution per mile than cars in 1970, motor vehicles account for more than half of all the outdoor air pollution in the United States today. These emissions include 45% of VOC pollution (United States Environmental Protection Agency, 2010).
In your response, address the following:
Support your answers with appropriate research and reasoning and initiate comments on the postings of at least two of your peers.
United States Environmental Protection Agency. (2010). Sources of pollutants in the ambient air—Mobile sources. Retrieved from http://www.epa.gov/apti/course422/ap3a.html
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