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Environmental and risk managements

1. Define the word "Disaster" and the give examples of the three major disaster categories.
2. Define the term and identify an example from the Eagle River Flat Waterfowl Contamination Case of the following: Chemical(s) of Concern, Exposure Pathway, Contaminate Fate and Transport, and Risk Characterization/End Points.
3. What are lessons learned discussed in the Hurricane Katrina Case Study concerning levee construction, evacuations, communications and interagency coordination that should be applied to risk management for future natural disasters?


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1. Define the word "Disaster" and the give examples of the three major disaster categories.
Ans. A serious disruption in the functioning of a society or a community that involves large-scale material, human, economic and or environmental losses is termed as a disaster. Disasters can be:
Naturally Occurring - Earthquakes, tsunamis, volcanoes and landslides are geophysical disasters. Floods and avalanches are hydrological disasters. Fires, extreme weather conditions are climatologically disasters.
Technological or Man-Made Disasters- Humans have a direct hand in these types of disasters. Conflicts amongst nations, famines, industrial incidents, displaced populations are examples of man-made disasters.
Aggravating factors like unplanned urbanization, climate change poverty are pandemics that ...

Solution Summary

The solution gives some common definitions associated with disasters and also discusses Hurricane Katrina.