How does groundwater interact with surface water and surface ecosystems? How can the many types and forms of groundwater pollution be visualized? This presentation by Lawrence Livermore National Lab's Andy Tompson shows some of the real or potential impacts of drought and climate change and how groundwater may be better managed in the future. "It may look like an Ant Farm, but there are really no ants in this demonstration!" Recorded on 02/21/2015. (#29611)