Erin Burnett asks Bill Nye if he is surprised by impacts of climate change. Hear his reply - CNN
Erin Burnett asks Bill Nye if he is surprised by impacts of climate change. Hear his reply | CNN
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Bill Nye demonstrates why temperatures are above 90 degrees
CNN's Erin Burnett speaks with science educator Bill Nye about the significant effects of climate change.
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Bill Nye demonstrates why temperatures are above 90 degrees
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See dramatic aerials of severe weather damage in Texas
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Hear meteorologist’s tips on what to do if you’re under a tornado warning
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Related Knowledge Center: Climate science
What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet.