UNISDR, the United Nations International Strategy for Disaster Reduction, provides information about technological and environmental disasters, in order to reduce human, economic, and social losses worldwide.
FEMA, the Federal Emergency Management Agency, provides informative resources about floods; including floodplain mapping, mitigation programs, ways to prepare, etc.
The Pacific Disaster Center applies its expertise to integrate various technologies for Disaster Management (DM) support in the Asia Pacific and Indian Ocean regions by providing customers with accurate and relevant informational and analytical products in times of emergency.
72hours.org provides information about how to prepare yourself and your family for an emergency; covers what to do during various natural and manmade disasters.