character: Dr. James Hansen
topic: Climate Change Scientist, Impact of Greenhouse Gases on Global Warming
grade: 12
subject: Chemistry
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character: Dr. Michael E. Mann
topic: The Role of Carbon Dioxide in Climate Dynamics
grade: 12
subject: Chemistry
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character: Dr. Katharine Hayhoe
topic: Effects of Greenhouse Gas Concentrations on Weather Patterns
grade: 12
subject: Chemistry
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character: Dr. David Archer
topic: Long-Term Impacts of Greenhouse Gas Emissions
grade: 12
subject: Chemistry
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