character: Carl Safina
topic: Effects of climate change on marine biodiversity
grade: 12
subject: Geography
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character: David Attenborough
topic: Impact of global warming on ocean ecosystems
grade: 12
subject: Geography
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character: Sylvia Earle
topic: Conservation of marine life in a changing climate
grade: 12
subject: Geography
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character: Jane Lubchenco
topic: Marine biodiversity and climate change challenges
grade: 12
subject: Geography
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