I will show you fear in a handful of dust

Groundwater depletion. A new study has calculated that the biggest single contributor to sea level rise over the last fifty years has not been melting ice from Greenland or Antarctica, nor melting glaciers, nor even the expansion of the oceans as they warm, but groundwater depletion. This helps to plug a previously puzzling hole between the observed rate of sea level rise over recent decades and estimated contributions from these other sources. Of course, there is an even bigger problem in many places that results from taking groundwater at a rate faster than it is replenished: running out. For three decades, Saudi Arabia used to export wheat grown in its deserts with water extracted from fossil aquifers (i.e. groundwater that fell as rain thousands of years ago and unlikely to be replaced anytime soon). In the last few years, its wheat production has collapsed and is expected to cease entirely by 2016. As a result, it is buying up productive land in Africa, which results in various other problems: dispossession of traditional owners (who may lack adequate documentation of land ownership), corruption of government officials involved in a lucrative business, reduction of local food stability and so on.

Economic collapse? An update to the 1972 Club of Rome study done by researchers at MIT predicts global economic collapse by 2030 on our present unsustainable trajectory. Much discussed, debated and derided at the time, the computer predictions of the 1972 publication The Limits to Growth, have been tracking well with historical data over the last few decades and their timeframe of very serious ecological and resource problems by 2030 do not need to be substantially revised, according to the new study.

Australian droughts and floods: A land of (more extreme) droughts and flooding rains? This is an excellent intro to the hydrological effects of climate change on Australia and is the first in a recent series on hydrological changes in Australia. Parts Part Two, Three and Four.

Biodiversity decline: EU farmland bird numbers have dropped by 50% over the last thirty years, largely due to farming policies.

2011 CO2 emissions update: John Cook outlines IPCC and IEA scenarios for different emissions trajectories we could follow. Note that the very best (and most difficult) ones still involve major disruption and difficulty in a harsher and less predictable world. They are also likely out of reach without radical and rapid shifts in the global political and economic climate.

UK Climate Policy: George Monbiot traces the latest watering down of UK climate legislation. The UK's Climate Climate Act passed in 2008 with very close to unanimous support, making it the first piece of national legislation setting targets for greenhouse gas emissions reductions in the world. When originally introduced in late 2007, the bill called for a 60% reduction by 2050, but this was increased to 80% on the urging of NGOs, church groups and a Royal Commission.

Great Barrier Reef: The UN has warned that the reef's World Heritage status will be downgraded to "in danger" if Queensland goes ahead with a slew of further port developments to expand the coal and natural gas industries. This article helps to lay out the political context and puts the debate in context, distinguishing between short and long term threats to the reef. It is quite possible to lose the wood of carbon emissions for the trees of maritime traffic. While a major accident would be a disaster, having an increasing number of coal ships successfully reaching their destinations ensures a long term catastrophe through warming and acidifying oceans. Australia's recently announced major marine reserve expansion, while praiseworthy, will do little to save the reef.

WA Forest collapse: "ecosystem change can be sudden, dramatic and catastrophic". Western Australia is rapidly losing its (remaining) forests. The south-west of Australia has experienced some of the most obvious changes in precipitation anywhere in the continent, with a fairly sudden step-change occurring around 1970: "Groundwater levels have fallen up to 11 meters in some forested areas, with larger decreases in populated areas."

Cane toads: A new development with the potential to start turning the tide against Australia's second most destructive introduced species. H/T Mick.

In case of rapture, this blog is fully automated

There has been much discussion about a group in the US predicting the "rapture" of believers today. I probably don't need to repeat that predicting dates for eschatological events is silly and unscriptural ("no one knows the day or the hour" - Matthew 24.36). Nor that the very idea of the rapture - a sudden removal of believers from the earth by the hand of God - is also based on a misreading of a couple of passages. Lacking the time to give a full account at this point (other things have dragged me away), I suggest this post or this short piece by N. T. Wright.

Of course, this idea is but one manifestation of a Christian hope that gets things upside down. We are not going to heaven; heaven is coming to us.

The future according to Google, and other stories

xkcd: The future according to Google.

Mother Jones: How we fool ourselves. "Expecting people to be convinced by the facts flies in the face of, you know, the facts. [...] We push threatening information away; we pull friendly information close. We apply fight-or-flight reflexes not only to predators, but to data itself. [...] When we think we're reasoning, we may instead be rationalizing." H/T Rod Benson.

UK voters: The lies of the No to AV leaflet. I'm getting pretty annoyed by how misleading so much of the No campaign has been. The BNP are being used as a scare tactic, and yet they are only party to officially endorse the No campaign. It bugs me that such misrepresentations are being effective. H/T Neil Stewart.

SMH: Memos show oil motive in Iraq war. Perhaps this comes as no surprise, but the confirmation is important.

SMH: How Obama is morphing into Bush. Change we can believe in, because it is so small and non-threatening.

SMH: What is the secret to long life? Good table manners.

Reddit: If all you lazy, whining two-thirds world readers think you have things tough, you need to get a sense of some real first world problems.

Oatmeal: The deep ocean is a weird, weird place. Despite being a cartoon (with some naughty language), this is apparently true.

The Cost of Energy: Unemployed? You might want to consider applying for this position.

And a quick straw poll. I occasionally put together lists of random links like this. Which would you prefer:
(a) for these to continue in this fashion, with occasional dumps of lists like this;
(b) for me to post single links as I come across them; or
(c) for me to stop all random links and focus on a narrower band of topics?

Things may unfold faster than you think

Nicole Foss, one of the authors at The Automatic Earth, on the triple challenges of economy, energy and environment (especially climate in this case). She sees energy as the most significant driver of where industrial civilisation heads next, though economics is the way that it will manifest itself with most speed and violence in a debt-driven economy. Her analysis of the effects of peak oil as being an exacerbation and acceleration of economic swings is an important corrective to those who imagine that peak oil simply means ever increasing price spikes. I think she underestimates the long term significance of climate, but her points about resilient communities of trust and the importance of forward thinking prudence in order to avoid toxic and violent responses are well made. Whether she is right about deflation as the way in which the next financial crisis (the continuation of the present financial crisis, depending how you look at it) is above my pay grade (which, given that it is almost zero, isn't saying much).

In short, she thinks it is very important to get out of debt as soon as possible, to prepare mentally for a different and more difficult world within the next few years and to invest in local relationships of trust. As a Christian, I don't see much to disagree with in this advice.

Gazing into the crystal ball: prognostications will continue to be popular

Recently, I considered one of the moral dangers of attempting to predict the future, namely, hubris, a mistaken alignment to the future that elides the priority of human receptivity over (re)action. However, there is a further difficulty in picturing the future, particularly at the scale of society: difficulty.

Making concrete predictions of likely or possible global scenarios over the next five, ten, twenty, fifty years is a difficult well-nigh impossible task, yet it doesn't stop plenty of people from trying. For example, The Guardian has just published 20 predictions of the next 25 years. At the moment, there are parts in a number of these scenarios that I find plausible and others I find fairly unlikely (including for instance key elements of the second and ninth). Yet the great problem with predictions of this nature (taking one arena of the present world and trying to explain what it might look like in 25 years) is that no arena is an island. Few of these scenarios seem to have thought deeply about the possible interconnections between some of these fields. How could possible political backlash over deteriorating energy security affect banking? Or how might worsening climate change affect attitudes and policies towards fossil fuels?

Here's Michael Tobis making another attempt at what the next few decades might look like. Michael predicts the collapse of industrial civilisation and is called an optimist for saying it won't be before 2030. Feel free to provide links in the comments to other specific predictions of coming decades.

I reflected back here on the shortcomings and benefits of such activities. However, at the moment I don't think I'm willing to make any predictions more specific than that the next few decades are likely to be very bumpy indeed.

One exception to this I'm happy to make is that such prognostications are likely to continue to be popular for the foreseeable future. And that most of them will be wrong.

Link love

John wonders whether it might not be better to start a sermon with application.

Failure to understand Black Swans leads to fallacious thinking (Black Swans are the low probability, high impact events that are excluded by most forecasting models).

"12 million hectares of arable land – roughly the size of Greece or Nepal, enough to harvest 20 million tonnes of grain and feed six million people per annum – are lost to desertification each year."

Painting your roof white to cool the planet. Crazy? Not entirely.

Jason ponders forgiveness and eucharist with Williams and loneliness and prayer with Stringfellow.

Sisyphus revisited.

The Jordan river is too polluted for baptisms. The Nile isn't looking so great either.

Climate science in 1979.

The next twenty years

The next twenty years are very unlikely to be like the last twenty years. Most of the time, it is reasonable to expect and plan for the future on the basis of the recent past. This is how we are wired and the force of habits and the power of cultural inertia make this kind of thinking natural.

However, for all the reasons I have listed here (and quite a few more, which include consideration of the present economic situation and a debt-based economy that requires continued growth (or at least the perception of the likelihood of continued growth over the long term) to prevent meltdown), I am fairly pessimistic about the likely economic, social and/or political stability of the coming decades.

I am no prophet, nor a prophet's son and I make no claims to predicting what is likely in a massively complex and historically novel globalised system with all kinds of unexpected feedbacks. It is also very hard to be precise about the level of severity we're talking about it. I expect that we will face more than a recession, and something larger than the credit crunch of 2008.

However, I don't think we're talking Mad Max or The Road anytime soon (unless global tensions reach a point where someone reaches for the nuclear option, in which case all bets are off). But we're also not talking Star Trek or even . I think the possibility of political and/or technological silver bullets to avoid the raft of approaching crises is low enough to make it reasonable to hold a fairly bleak outlook.

There are three interconnected systems that are currently under grave threat, and the failure or further deterioration of any one of them will have significant knock-on effects on the others. These are economy, energy and ecology, or finances, fuel and flora & fauna (and fresh water and flooding and fires). I've written primarily about the third category, with occasional references to the second (especially regarding peak oil). In more recent weeks I've been learning quite a lot more about the first, and the ways in which the failures of the other two can be magnified and brought home by the financial system.

Two presentations
I plan to say more on this in due time, but I thought I'd flag the development of my thinking and suggest two presentations that might give you a taste of the kinds of things I've been pondering recently. Both are far from perfect and contain material or emphases which I think are wide of the mark, but at a broad level, I suspect they are identifying some of the most pressing issues of our day.

The first is this talk recorded at the Transition movement conference earlier this year by Stoneleigh, one of the authors of The Automatic Earth blog (H/T Sam and more thoughts here).

The second is called the Crash Course by Chris Martenson. This one is quite a bit longer, but most of the meat is in the second half so feel free to skip the explanations of what money is and how credit works if you like.

Both these presentations major on the first of the three crises (i.e economic), not because it is necessarily the most dangerous, but because it is most likely to make itself felt first and most directly. I suspect that the ecological crises which are largely in the background of these presentations will ultimately prove to be larger and more significant in the long term.

Climate change and political stability

The most important headlines about climate change might not look like climate change headlines
The most commonly discussed effects of dangerous climate change relate to the physical systems of the earth: rising sea levels, changing precipitation patterns, warmer temperatures (especially at night, during winter and at high latitudes), melting glaciers and ice caps, acidifying oceans, intensifying extreme weather events and so on. All these can be measured and quantified by empirical observation. But for many people, the most important effects will not be sweating more, wearing fewer layers, buying a new umbrella, or cancelling their glacier climbing holiday.

For most of us, particularly the vast majority of the developed world who live in urban areas, the most important effects will arrive indirectly, through flow on effects in human society. For example, while farmers might directly struggle with changing patterns of precipitation, urbanites will feel this indirectly through higher prices or shortages of food types affected by drought, flood or heat wave. In a system as complex as human society, global warming will only ever be one factor in such a news story. There will be government regulations, transport strikes, supermarket profits and all kinds of other factors that are also affecting the price and availability of food, which may at times mask the effects of climate change. Indeed, it may be that the proximate cause of a particular news story apparently has nothing to do with climate change, but a less stable climate may be the background against which a particular issue is worse than it might otherwise be.

For instance, Australia has always had cycles of drought, and Australian agriculture has always heavily influenced by the natural and quasi-periodic ENSO climate pattern. Climate change may increase the length and severity of periods of drought, leaving crops and livestock stressed and more vulnerable to a variety of adverse events. Ecosystems are pushed closer to the edge; their ability to cope with new threats is reduced. So while a new outbreak of disease or infestation from an introduced species might grab the headline, it may have been climate change that lowered the defences.

Or, to pick another plausible scenario, international conflict could be sparker over stressed water resources (such as the Jordan river, which is dying). The proximate cause of such conflict might be inequitable access to a water source, incompatible policies and allocations between nations sharing a common water source, inappropriate industry or population centres sited on the water source, a new dam or a pollution event. But again in the background could well be changing precipitation patterns leading to less water being available.

The most important medium-term effects of a changing climate are likely to be greater political instability, at both intra and international levels. Although there has been much discussion of ecological refugees from rising sea levels, I suspect higher numbers of refugees will be fleeing conflict and violence in places where climate change is an ultimate (though not necessary proximate) cause.

Here are some quotes from retired high-ranking US military figures (source):

Lt. General John G. Castellaw (US Army, Retired): “This isn’t an environmental issue, this is a security issue. Our strategic interests, and therefore our national security and the safety of Americans, are threatened by climate change and our continuing dependence on oil. Military leaders know this isn’t about polar bears and ice caps, it’s about international stability and national security.”

Major General Paul Monroe (US Army, Retired): “We make a profound strategic error if we underestimate the impact that climate has on regional and international stability. Some of our most worrisome trouble spots around the world are dangerous because of a combination of climate problems and social unrest – Somalia, Nigeria, and Yemen are strong examples.”

This is why responding to climate change is not simply about reducing our carbon footprint (as important as that may be). It is also crucial that we re-invest in the resilience of local and regional communities. Dangerous climate change is dangerous partially because it is likely to increase the frequency and severity of events that threaten the social fabric. And it will be tensions or breakdowns in the social fabric that bring climate change close to home for many people.

This too is another site at which the Christian message is good news. Christ summons us into experimental communities of peace and forgiveness, places where people look to the interests of others before their own, where joy and hope can be found amidst sorrow and grief, where failure is not final. Jesus is the pioneer of a living way that refuses to perpetuate cycles of recrimination, returns hatred with blessing and recognises that love is important that self-protection. We walk in his footsteps not in order to survive a world that may grow more violent, or because it is the church's task to achieve world peace. We follow Christ simply because it is he who has issued the summons.
Second image by Andrew Filmer.

Scotland 2050

The David Hume Institute, an Edinburgh think-tank, is tomorrow publishing a report called "Reducing Carbon Emissions - the View from 2050". It is already available for download from here. In it, sixteen experts in different fields were asked to offer a retrospective on the effects on climate change on 21st century Scotland from an imagined standpoint in the year 2050. A summary of their crystal-ball gazing can be found here. The report offers a range of scenarios reflecting the areas of concern of the writers: from refugee movements, energy production and political instability to the rise of a Vegan Party and a renewal of eco-spirituality. One of the authors, Michael Northcott, is Professor of Ethics here at the School of Divinity in Edinburgh University.

Such predictions are usually wrong, often humorously so. The range of factors affecting the possible outcomes are myriad and complex in their interactions. But the value of these predictions does not lie in their accuracy. Instead, such pictures act as invitations to our imaginations and affections to come and see the world in a particular way, to try loving certain aspects of it and recognising present and potential threats to those good things. We can only resolve upon particular actions here and now, not in fifty years time or fifty years ago. But imaginative anticipation and memory are crucial elements in our deliberations and in the shaping of the loves and hopes that bind us together.