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UH researchers use tree rings to study El Nino
University of Hawaii researchers say El Nino activity was unusually active in the late 20th century. Their evidence? Tree rings!
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UH researchers use tree rings to study El Nino
University of Hawaii researchers say El Nino activity was unusually active in the late 20th century. Their evidence? Tree rings!
Date: 7/11/13
Views: 12
Video by:  KITV Honolulu
 
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