character: Mr. David Lee
topic: Cost-Benefit Analysis of Pollution Control Measures
grade: 8
subject: Economics
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character: Ms. Sarah Green
topic: Environmental Economics and Sustainability
grade: 8
subject: Economics
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character: Dr. Emily Carter
topic: Economic Impact of Regulations on Air Quality
grade: 8
subject: Economics
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character: Mr. John Smith
topic: The Role of Government in Pollution Control
grade: 8
subject: Economics
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