character: Barry Commoner
topic: Scientific Advocacy and the Rise of the Environmental Movement
grade: 9
subject: History
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character: Rachel Carson
topic: Impact of Silent Spring on Environmental Awareness
grade: 9
subject: History
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character: David Brower
topic: Advocacy for Wilderness Conservation in the Environmental Movement
grade: 9
subject: History
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character: Al Gore
topic: Political Advocacy and Climate Change Awareness
grade: 9
subject: History
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