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The Amazon Rainforest covers about 1.4 billion acres of land in parts of nine different countries. Keeping an accurate and current measurement of the biomass across that much territory is challenging, but critical. Dr. Heidi Cullen talks to a fellow scientist who explains how the mapping is done, and why it’s so important.
Dr. John Townshend is Dean of the College of Behavioral and Social Sciences at the University of Maryland, College Park. His current research focuses on the rates and causes of vegetation cover change, especially deforestation, through the use of remotely sensed data from satellites.
For more information, please visit ClimateCentral.org.
Discover other forms of climate change on GPB's How Do We Know Main Page.