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A warming planet could mean that sea levels rise three or more feet by the end of this century. But those increases can seem incremental on a yearly basis, and can be very difficult to measure accurately. Climate Central’s Dr. Heidi Cullen reports on how scientists use a tool in space to keep close track of changes in the oceans.
Dr. W. Stanley Wilson is Senior Scientist, NOAA Satellite and Information Services, National Oceanic and Atmospheric Administration, Silver Spring, MD.
For more information, please visit ClimateCentral.org.
Discover other forms of climate change on GPB's How Do We Know Main Page.