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What Does the Polar Vortex Have to do With Climate Change?

If you think you understand the polar vortex, think again.

Publish Date: Topic: Planet EarthPlanet EarthNova
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Even scientists, it seems, have a hard time agreeing on how to define this phenomenon and what causes it.

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Funding for this reporting is provided by the Ives Family Fund.

Major funding for NOVA is provided by the David H. Koch Fund for Science, the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.