According to a recent UN panel, the build-up of garbage in the world’s oceans could cause more than $13 billion in damage to marine life and habitats. A look at the causes and possible remedies for the flow of trash into the world's oceans.
Homeland Security Secretary Janet Napolitano and homeland security experts on the threat of “homegrown” terrorism, efforts to improve cyber security, and the push for more body scanners at airports.
- Paul Rosenzweig visiting fellow, Heritage Foundation and adjunct professor of homeland security at the National Defense University, and former deputy assistant secretary for policy, Department of Homeland Security 2005-2009
- Janet Napolitano Secretary of the Department of Homeland Security, former governor of Arizona.
- Michael Greenberger professor, University of Maryland Law School; director, Center for Health and Homeland Security; and former senior regulator, Commodities Futures Trading Commission.
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