Thursday, April 22, 2010

what links the banking crisis and the volcano?



Video - ashy Icelandic volcano.

Guardian | Man proposes; nature disposes. We are seldom more vulnerable than when we feel insulated. The miracle of modern flight protected us from gravity, atmosphere, culture, geography. It made everywhere feel local, interchangeable. Nature interjects, and we encounter – tragically for many – the reality of thousands of miles of separation. We discover that we have not escaped from the physical world after all.

Complex, connected societies are more resilient than simple ones – up to a point. During the east African droughts of the early 1990s, I saw at first hand what anthropologists and economists have long predicted: those people who had the fewest trading partners were hit hardest. Connectivity provided people with insurance: the wider the geographical area they could draw food from, the less they were hurt by a regional famine.

But beyond a certain level, connectivity becomes a hazard. The longer and more complex the lines of communication and the more dependent we become on production and business elsewhere, the greater the potential for disruption. This is one of the lessons of the banking crisis. Impoverished mortgage defaulters in the United States – the butterfly's wing over the Atlantic – almost broke the global economy. If the Eyjafjallajökull volcano – by no means a monster – keeps retching it could, in these fragile times, produce the same effect.

We have several such vulnerabilities. The most catastrophic would be an unexpected coronal mass ejection – a solar storm – which causes a surge of direct current down our electricity grids, taking out the transformers. It could happen in seconds; the damage and collapse would take years to reverse, if we ever recovered. We would soon become aware of our dependence on electricity: an asset which, like oxygen, we notice only when it fails.

As New Scientist magazine points out, an event like this would knacker most of the systems which keep us alive. It would take out water treatment plants and pumping stations. It would paralyse oil pumping and delivery, which would quickly bring down food supplies. It would clobber hospitals, financial systems and just about every kind of business – even the manufacturers of candles and paraffin lamps. Emergency generators would function only until the oil ran out. Burnt-out transformers cannot be repaired; they must be replaced. Over the past year I've sent freedom of information requests to electricity transmitters and distributors, asking them what contingency plans they have made, and whether they have stockpiled transformers to replace any destroyed by a solar storm. I haven't got to the end of it yet, but the early results suggest that they haven't.

There's a similar lack of planning for the possibility that global supplies of oil might soon peak then go into decline. My FoI requests to the British government reveal that it has made no contingency plans, on the grounds that it doesn't believe it will happen. The issue remains the preserve of beardy lentil-eaters such as, er, the US joint forces command. Its latest report on possible future conflicts maintains that "a severe energy crunch is inevitable without a massive expansion of production and refining capacity".

It suggests that "by 2012, surplus oil production capacity could entirely disappear, and as early as 2015, the shortfall in output could reach nearly 10m barrels per day". A shortage of refining and production capacity is not the same thing as peak oil, but the report warns that a chronic constraint looms behind the immediate crisis: even under "the most optimistic scenario … petroleum production will be hard pressed to meet the expected future demand". A global oil shortage would soon expose the weaknesses of our complex economic systems. As the cultural anthropologist Joseph Tainter has shown, their dependence on high energy use is one of the factors that makes complex societies vulnerable to collapse.

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