Counter-terrorism efforts constantly evolve as the terrorism threat landscape changes. Below are some helpful links on current international and domestic terrorism trends.
Recommended Links:
Plan Ahead for Disasters Ready.gov
U. S. Department of Homeland Security DHS.gov
National Terrorism Advisory System (NTAS)
Federal Emergency Management Agency (FEMA)
For Research:
Foreign Policy Research Institute (FPRI)
National Center for Disaster Preparedness (NCDP)