Ups and downs towards a post-industrial world....
We're in a funny time, between the end of the industrial oil era and... well... something different. You can see it right on this board: Incandescents giving way before LEDs. Higher technology is usually more efficient, more robust and _way_ harder to produce than evacuated glass bubbles with a hot wire.
The question is: will we switch by choice, by preference, or by necessity. By choice is the folks who're off the grid already - they're in the next age: windmills, solar panels and satelite internet. Decentralized infrastructure supported by ultra-high technology. That's the future I believe we're headed towards.
By preference is probably how most of us will end up in that future: rising gas prices promote hybrid vehicles, and our kids get to ride their bicycles a hell of a lot more than we do
. I really think it'll go this way - gradually rising gas prices and improving new technology will transition us across one by one.
Think of how electric lighting displaced kerosene lamps. We'll end up in an odd future: lots of decentralized infrastructure for power, water and the like just because it's more efficient that way* and a few dozen ultra-high-tech centers which produce the silicon and the vaccines and the movies. I really do think that's the most probable future. Big changes, but slow ones. Gradual levelling out of the world's wealth between nations through trade means we'll feel poorer, but fewer people will starve.
Unstable infrastructure will push people towards localized service provision, much as hospitals and factories have their own UPS systems, as the old infrastructure corrodes away because maintainence is unprofitable, new distributed systems will be adopted to take up the slack. Soft, albeit jerky, pathways.
*
http://smallisprofitable.org/ - Amory Lovins on decentralized electrical power.
By necessity is the case we all worry about: economic or military problems causing infrastructure failure. Personally, I doubt this is going to happen, but I live in the mountains and I keep plenty of food (think: at least a month, perhaps closer to three or four) of food in the house. Small solar panel, 12V all-sizes, all-kinds charger and a small stock of good quality nimhs, 5m range FRS radios, decent out-door gear, water filters. The sort of stuff that would be useful in a month-long crunch. I don't currently plan for long term survival: no tool library, no oilclothed plowshares in the basement. If the poop really hit the fan, I'd sell a hundred pounds of rice for half of the contents of the nearest home depot
My whole "poop hits the fan" scenario planning got way, way simpler after somebody told me: "look, if you last out the first six weeks of a complete infrastructure collapse, you're doing better than 50+% of the population will have. I wouldn't worry about **STUFF** past that six-week boundry - it'll be lying around in the streets rusting."
Not a pretty picture, and not one I ever expect to see, but far more rational than the vast majority of "survivalist" thinking. If it all goes wrong, hang tight for two months, then commence scavenging. If you can survive psychologically, physically shouldn't be that much of an issue. I'd be a bit worried about who's planting the crops the first year, mind you...
I was pretty freaked out about living in the mountains after 9/11 - one town about two hundred miles from here began to run out of food after a four day storm so I though it could get pretty ugly pretty fast if there had been bio or nuclear events so around then I had six months or more for two people: enough to last out a mountain winter without additional supplies, plus some margin.
From another angle, look at the poor world. I'm half indian (east indian) and let me tell you, "developing world" is BS. We had musical universities two thousand years before Rome. What that tells me is that advanced cultures, arts and sciences can exist even with incredibly primitive technologies. The Greeks, Romans and Indians, and all the other old, advance cultures managed perfectly well with hand-harvested wheat and fires for heat. Nobody wants to go back there, but when people start getting all Mad Max, I really don't believe it. By our standards, the Founding Fathers existed in a pre-technological age and they did just fine.
I'm not saying that the transition might not be a *****, but I just don't believe in that even a permanent loss of high tech infrastructure would destroy us. Population would settle down to a sustainable level pretty quickly (yes, ok, perhaps five or ten years of mad max) but then we'd get back to planting crops and brewing beer and it would all seem normal pretty soon. One agriculture stabilized, odds-are that the surviving universities would start us back on the high-tech path within a decade.
Some of this, I guess, is also the European perspective: in the 20th century, europe was partially razed twice and survived dozens of "minor" wars. The USA hasn't seen anything like that on it's own soil since the Civil War, so people kinda think that life just ends when the bombs start falling. It doesn't. People survive. It's an aspect of human nature which Americans outside of the armed forces seldom if ever see, but just ask the former Yugoslavians. It sucks, but you get by.
Anyway, this is much too long a ramble much too late at night. Just touched a nerve, I guess.
(goes back to tinkering with a single LED running off 2 D cells - burn time is something like a month - why on earth would a person want that?)