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Neighborhood Survivability
Alex Steffen, 11 Sep 06

femaflood.jpg We've mentioned the theory of passive survivability before: it's the idea that buildings ought to be designed to promote the survival of their users during disasters and emergencies, and that quite often the steps needed to promote survivability are those needed to increase sustainability. In terms of buildings and disasters, the theory goes, safe is green, and green is safe.

I'm increasingly wondering if the same isn't true for neighborhoods as well.

Disasters, including big, system-disrupting disasters, are likely to become more common over the coming decades. Whether they are caused by "ordinary" system failures (like the North American blackout of 2003), terrorism, pandemic, climate change or global instabilities, we should all be prepared to live through times of shortages, service interruptions and danger.

Conventional thinking about disasters in the developed world revolves around seeing that people are prepared as individuals to survive for the short time it takes the authorities to respond to the emergency situation and restore normality. Almost no thought is given to changing the models for systems to make them substantially less brittle and more resilient.

But our planet is getting more dangerous (even uninsurable) and, as New Orleans has shown, recovery is not always rapid, even in wealthy countries. While individual preparedness and government response continue to be vital, perhaps we need to be putting a lot more thought into how we make the neighborhoods in which we live less vulnerable to disasters in the first place. Working with our neighbors and local government to increase the resilience of our communities might be one of the smartest moves we can make.

And while a few of the steps in that process might be particular to disaster preparedness (such as making sure the neighborhood has adequate medical supplies and training, or a couple working water filters, or that you have an alternate method for communicating), most of the steps needed to guarantee livability in a time of crisis have other sustainability benefits. Certainly, well-designed green buildings can maintain their comfort even when the grid goes down, but so to can good alternative energy systems keep the lights on within in community (and power cell phones and other needed tools). Rainwater harvesting can mean that there's a source of fairly clean water close at hand. Gardens can help provide food. Communities which have been designed to be walked and biked rather than driven can better withstand a disruption in the supply of gas.

The list could go on, but the point is made. If the passive survivability benefits of green building practices are an added incentive to use them, so too should we be thinking about the resilience benefits of bright green urban systems when we're thinking of using them to replace the aging infrastructure we currently use.

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Comments

Good points Alex. Neighborhoods can be resilient through physical infrastructure, and also through their social webs - what we once called Community.

In times past, "self-reliance" was mostly a frontier myth. Our image is of Daniel Boone, but the reality was quilting bees, threshing bees, barn raisings, town meetings and church suppers. I live in a place where we still have some vestiges of these, and we're stronger for it.


Posted by: David Foley on 11 Sep 06

I'll try again, sans the URLs.

For another site that has posted a considerable set of materials on neighborhood recovery (based on their experience with CA wildfires burning through neighborhoods), Google "Top 10 Tasks - Quick Start Your Neighborhood Disaster Recovery"


Posted by: JMG on 14 Sep 06



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