American Red Cross - The nation's premier emergency response organization.
Americares - A nonprofit disaster relief and humanitarian aid organization.
CDC Natural Disasters and Severe Weather - The Center for Disease Control's official site on types of disasters and weather emergencies, health and safety concerns, and information on relief and aid.
Chemical Hazards Emergency Medical Management (CHEMM) - CHEMM is designed to enable first responders, first receivers, other healthcare providers, and planners to plan for, respond to, recover from, and mitigate the effects of mass-casualty incidents involving chemicals.
Department of Homeland Security - Includes disaster response and planning information.
Disaster Information Research Center (DIMRC) -DIMRC was created to help with national emergency preparedness, response and recovery efforts.
Federal Emergency Management Agency - Agency of the US government tasked with Disaster Mitigation, Preparedness, Response & Recovery planning.
FEMA: Disaster Information - Includes information on declared disasters, different types of disasters (e.g. earthquakes, hurricanes, nuclear power plant emergencies, fire, hazardous materials), and maps.
HazLit Database - Created by the National Hazards Center Library at the University of Colorado at Boulder, HazLit covers hazards resources (citations to journal articles, books, reports) that focus on how society copes with natural hazards and catastrophic events
International Association of Emergency Managers A non-profit educational organization dedicated to promoting the principles of emergency management and representing those professionals.
International Strategy for Disaster Reduction - A part of the United Nations Secretariat
Natural Hazards Center - Univ. of Colorado - The mission of the Natural Hazards Center at the University of Colorado at Boulder is to advance and communicate knowledge on hazards mitigation and disaster preparedness, response, and recovery.
National Response Framework, Resource Center- The National Response Framework presents the guiding principles that enable all response partners to prepare for and provide a unified national response to disasters and emergencies.
Resource Guide for Public Health Preparedness - The Resource Guide is a gateway to freely available online resources related to public health preparedness. Resources include expert guidelines, fact sheets, websites, research reports, articles and other tools aimed at the public health community.
United States Geological Survey - Has extensive information on natural hazards.
World Health Organization - Monitors disease outbreaks, assesses the performance of health systems around the globe, etc.