character: Professor Green
topic: Ozone Layer Recovery and International Policies
grade: 12
subject: Physics
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character: Dr. Jane Goodall
topic: Environmental Sustainability and Global Agreements
grade: 12
subject: Physics
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character: Professor David Keith
topic: Climate Engineering and Policy Measures
grade: 12
subject: Physics
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character: Dr. Rachel Carson
topic: Impact of Human Activity on Ecosystems
grade: 12
subject: Physics
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