Of the three primary environments the city would have to be in my opinion the most challenging. You will have little access to natural resources, the population density will ensure the rampant spread of disease and hostile encounters. Infestations of many types of insect, vermin and animals will also compound the problems you will face with water and food stores.

If you live in a city you will need multiple plans, the get out of Dodge plan. The let the storm pass and get out of Dodge plan, or the oh crap there's no where to go plan. These are the basics, you should build your own contingency plans based upon your circumstances.

What are the risks to city dwellers? Numerous but a few things to consider; economic collapse, disease, acts of terrorism, civil strife, and natural disasters would be a great start. In most of these cases you will have some delay in evacuating, or may not be allowed to evacuate at all. So the first thing to understand is you must have food and water stores at all times. I would suggest a minimum of a weeks worth for every member of the family. This will provide some you with some options the most important being time to collect your thoughts and review plans and needs. dehydrated foods are great for this purpose in that they are light weight and easily transported. Water be purchased and stored or it can be collected into containers before the loss of public services. There are numerous collapsible vinyl and plastic containers available, in the camping section of stores. One last item, keep lots of plastic bags on hand at all times, as we continue this blog you will learn their many uses.