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Video•September 28, 2010

How Do We Know: Drought

Published: September 28th, 2010

Program Summary

Signs of a drought are easy to recognize when the ground cracks, plants shrivel and lake levels plummet. But surviving a drought requires planning and the ability to recognize the markers of the problem before the drought gets severe. So how do we know when a region may be experiencing an early drought? Dr. Heidi Cullen talks to a NASA scientist who relies on sophisticated satellites for the answer.