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NEED TO KNOW

Political Storm Over Tornadoes

  • Aired: 05/27/2011
  • 06:16
  • Rating: NR
In the wake of the deadliest tornado season in decades, Need to Know interviews meteorologist Harold Brooks of the National Severe Storms Laboratory in Norman, Oklahoma, to see whether there is any validity to the claim that climate change is a contributing factor.
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Political Storm Over Tornadoes
Is climate change to blame?
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