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What do children know about climate change?
We asked young visitors to London's Royal Botanic Garden, Kew, what they know about climate science. Their answers will surprise you.
01:38 - Source: CNN
March for Science 9 videos
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What do children know about climate change?
01:38
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People hold up signs at a rally before the march for Science April 22, 2017 in New York. Scientists and their supporters across the globe are expected to march in the thousands Saturday amid growing anxiety over what many see as a mounting political assault on facts and evidence.
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Marches for science take place around globe
01:32
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Bill Nye March for Science
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Bill Nye calls out lawmakers
03:01
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March for Science participant holds sign
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Crowd gathers in DC for March for Science
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As seas rise, fishermen deny climate change
05:41
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Documentation of the Great Barrier Reef near Port Douglas from Greenpeace Australia Pacific, shows damage of coral. This is the result of 12 months of above average sea temperatures across the Reef.
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Scientists: Warming water 'cooking' Great Barrier Reef
03:14
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Ex-EPA chief: Trump climate policy 'embarrassing'
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China steps up environmental protection
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US citizens living in Japan carrying signs and chanting slogans during the March for Science in Tokyo on Earth Day, April 22.
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Sustainability official talks Earth Day march
04:18
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