(i) In the "business as usual" model, identify TWO factors you think might contribute to the increase in carbon dioxide emissions. (a) Maximum 5 points distributed as follows: Provide and explain ONE example of a major source of an indoor pollutant to illustrate how the issue of indoor air quality in developing countries differs from that in developed countries. (d) In 1992, the World Bank designated indoor air pollution in developing countries as one of the four most critical global environmental problems. (c) Look at the graph of CFC production and account for the trends you observe. Use the example of acid deposition to illustrate the difference. (b) Explain the difference between remediation and alleviation of an environmental problem. (iii) What is meant by a "sustainable level" of carbon dioxide emissions? According to these predictions, what needs to happen for this level to be brought about? (ii) Given the shape of the graph, what do you think is meant in this case by "technological change"? (a) Study the following graph, which shows projected trends in annual carbon dioxide emissions, and then answer the following questions.
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