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science of climate change explainer orig_00002206
science of climate change explainer orig_00002206

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    Scientists: Climate change is happening

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Scientists: Climate change is happening

97% of scientists say climate change is being caused by humans. CNN meteorologist Derek Van Dam explores the mounting evidence that climate change is real.

Scientists: Climate change is happening

97% of scientists say climate change is being caused by humans. CNN meteorologist Derek Van Dam explores the mounting evidence that climate change is real.