character: Carl Sagan
topic: Humanity's Role in Environmental Change
grade: 11
subject: Biology
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character: Rachel Carson
topic: Impact of Pesticides on Ecosystems
grade: 11
subject: Biology
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character: David Suzuki
topic: Sustainable Development and Biodiversity
grade: 11
subject: Biology
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character: Jane Goodall
topic: Conservation Efforts and Animal Habitats
grade: 11
subject: Biology
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