Why don't many effective altruists work on natural resource scarcity?

By Robert_Wiblin @ 2016-02-20T12:32 (+14)

If you ask a random sample of young educated people what they are most concerned about, future 'resource scarcity' - especially natural resources - often rates highly. About 10% of the people I have coached for 80,000 Hours have expressed strong interest in this cause. In this survey of EU citizens, three of the top ten problems related to resource scarcity (Poverty, Hunger And Lack Of Drinking Water, Availability Of Energy, and The Increasing Global Population) whie another two have some association (The Economic Situation and Climate Change).

This is not a problem that I would work on myself, nor one that I encourage other people to work on. To be clear, I don't think it is a terrible cause - there are some sound considerations in its favour and it's the best fit for some skill sets. But I want to briefly explain why I think it is too popular relative to its merits, especially given it is so attractive to people who agree with me about many other things. I think many of the reasons below are shared by others involved in effective altruism.

Here I will only discuss resources that are mostly privately owned (e.g. electricity, wheat or iron) and not environmental public goods to which access is not easily denied (such as the atmosphere or oceans). The latter is less self-correcting, and so the prospects for important and neglected work there look better.

Almost any discussion of this topic starts opens with the famous bet between Julian Simon and Paul Ehrlich. In the 70s Simon was a very public 'cornucopian', while Ehrlich was famous for predicting mass famines and resources shortages. Ehrlich was such a doomster he even thought there was a 50/50 chance that England would not exist by the year 2000. To their credit, both were willing to put their money where their mouths were, and so they placed a sizeable a bet on whether five metals would become more expensive between 1980 and 1990.

Julian Simon - the incorrigible optimist - won the bet, with all five becoming cheaper in inflation adjusted terms.

So I guess that's it - resources are getting cheaper and we can all relax about resource scarcity! Not at all.

Analysis of commodity prices over a wider range of time periods and resources showed that for around 60% of possible bets, Ehrlich would have won, as prices have shown some tendency to rise in the long run (or at least up until 2011, when that analysis was performed).

So if resources have some tendency to become scarce, should we start stockpiling goats and timber for the coming global dark age? No - that too is foolish.

My own view, admittedly as a dilettante, is that there is no strong reason to expect natural resources to become much more or less scarce over time. 

What kinds of factors could cause resources to become more scarce over time - by which I mean cause their inflation-adjusted price to rise?

What factors could cause natural resources to become cheaper?
So will natural resources become more or less expensive? It could go either way, and depends on the balance of the competing factors above. Here are some tensions playing out right now:
On balance, will these resources become more or less scarce in the medium term? I don't know, and I don't think anyone really can. Someone who confidently tells you almost all natural resources will become much more or less abundant should be treated with suspicion.

Isn't population growth a huge problem that is going to dominate this whole equation and massively drive up prices?

Probably not. Human population growth has been roughly steady at 80 million a year since the 70s. As a result, the percentage increase in the human population each year has fallen from 2.2% to 1.1% and is continuing to fall. If population growth didn't ruin us at 2.2%, it seems unlikely to do so at a much slower rate. Various authorities estimate that the human population will peak at between 10-12 billion later this century. While population growth is certainly a factor making natural resources more scarce relative to other things, there is no reason to think this one factor will dominate everything else. Keep in mind that more people, and rising levels of education, mean more ands and brains to work on farming, mining, and relevant R&D.

What about the huge run-up in commodity prices during the 2000s? Most commodity prices, for example those of coal, iron ore and oil reached unusually high prices at some point between 2000-2014. Since then things have completely reversed with one index of commodity prices halving between 2011-2016. There are a few things to note here:
So let's say you accept my attitude that there is currently no overwhelming force pushing for either resource scarcity or abundance. What about the possibility of dangerous fluctuations, like the 2000s commodities boom and bust, but even more extreme? That could indeed happen if the factors above get out of balance. The future is very hard to predict, especially ahead of time. But fortunately there are a range of stabilising factors that lower the risk.
Because inventing new tools and opening new farms or mines takes a long time, new supply or lower demand is often delayed, allowing prices to remain high for years. But it does come, sometimes in excess.

Furthermore, all of the above happens if we merely anticipate future scarcity. Let's say forecasters look at the factors above and conclude that oil will become more scarce from 2020-2030. They publish their results and others are convinced. The following events are set in motion:
  • Expecting oil to become more expensive in the future, speculators drive up the price of oil in 'futures' markets.
  • Seeing this, organisations increase their stores of oil, or delay extraction, hoping to sell oil for a higher price in future.
  • This in turn drives up oil prices today.
  • Together these higher prices and new expectations prompt increased investment in new oil wells, more fuel efficient cars, solar energy, and much else besides, because these now all look like more profitable.
If people anticipate less scarcity in future, the precise reverse happens.

This process above is far from perfect - to start with futures markets often don't go out as far as ten years ahead, and it can be expensive to store resources for years - but it nonetheless provides a dampener to wild fluctuations in the available of a resource over time.

So, what are the good arguments in favour of working on resource scarcity? Well, the one I have outlined above!

The ingenuity of biologists, chemists and engineers is what has ensured that food, energy and construction materials can remain plentiful despite a growing number of people wanting more things. That will probably remain so in the future.

I see the biggest benefits of research on resource scarcity being two things:
Some forms of research, such as that into how to produce lots of food in conditions of stress (e.g. low sunlight due to the use of nuclear weapons) seem particularly important in this regard. But all improvements in natural resource availability empower humans to make the future better in a broad way.

So why then don't I recommend this cause to people?
If you view the problem broadly, the fraction of all human efforts going into tackling resource scarcity is in the order of 10%. If we get convincing signs that natural resources will become more scarce in the future, businesses and governments will have compelling reasons to step up investment further - something that is entirely practical. I would guess that not enough is going into basic R&D that will pay off in the long-term but can't be immediately commercialised. However, with so many businesses, academics, non-profits and governments taking an interest the shortfall doesn't seem extreme.

As a result, the risks and rewards don't seem large enough for this to be one of the top few global priorities for further investment.

This is a judgement call given an overall model of the world, a reasonable level of faith in human adaptiveness, and predictions about how various other technologies will advance in the future. As an example of the evidence that contributes to this outlook, years ago Stuart Armstrong produced some rough estimates suggesting natural resources were highly unlikely to be the key constraint on future human development in the long run.

Even if you ultimately disagree and decide to focus on this problem anyway, I hope the above casts some light on how I and many of my colleagues think about these problems, and helps with your future attempts to prioritise your work.

undefined @ 2016-02-22T11:14 (+7)

I recently wrote on my own blog my treatment for the prioritization of global catastrophic risks (GCRs), in an essay called "Major Types of Global Risks". I'm very confident these priorities are as correct as I'll get, as their ones which the Future of Life Institute and other GCR/x-risk mitigation orgs have focused on, and Brian Tomasik independently confirmed he believes I got all the facts right.

Let me explain what this has to do with this post.

So why then don't I recommend this cause to people? I think there are more targeted and effective ways to reduce poverty - all of the things GiveWell and others typically suggest. I think there are more targeted and effective ways to reduce the risk of disasters that derail civilization - all of the things that the groups working on global catastrophic risks typically highlight. It seems crowded rather than neglected.

I see the biggest benefits of research on resource scarcity being two things: Reducing poverty by making the resources ordinary people need cheaper. Lowering the probability of a low-likelihood event in which resources suddenly become very scarce and law and order disintegrate. An example could be sudden climate change, or a destructive war. The more abundance and waste we have to start with, the more of a buffer we have in case we are unlucky and disaster strikes.

Between these two points you've made, I think you cover the same ground for risks from resource scarcity I covered in my own essay.

Such risks possibly include peak phosphorus, soil erosion, widespread crop failure, scarcity of drinkable water, pollinator decline, and other threats to global food security not related to climate change

Let's look at each of these in a bit more detail:

Means of phosphorus production – other than mining – are unavailable because of its non-gaseous environmental cycle. The predominant source of phosphorus is phosphate rock and in the past guano. According to some researchers, Earth's phosphorus reserves are expected to be completely depleted in 50–100 years and peak phosphorus to be reached in approximately 2030. Others suggest that supplies will last for several hundreds of years. The question is not settled and researchers in different fields regularly publish different estimates of the rock phosphate reserves.

A lot of soil is being damaged, reducing farm productivity. But we keep breeding ever faster-growing strains of important crops; finding ways to deliver precisely the amount of water plants need at the right time; and many other improvements besides.

Another (set of) improvement(s) or technology(ies) which I believe may hold more potential than the ones you've mentioned are vertical greenhouses combined with hydroponic or aeroponic agriculture. I also want to do a shallow review of soil erosion and ongoing solutions to it as a risk to figure out how much it should or shouldn't be prioritized by effective altruism, and environmentalists and humanitarians in general. If soil erosion turned out to be a direly risky catastrophe, more so than we think now, I would rate it as a greater environmental problem than most probable outcomes of climate change.

CarlShulman @ 2016-02-26T12:04 (+16)

I've looked into most of these, and generally found them much less spectacular than the headlines suggested.

phosphorus production/extraction will ebb or flow. After reading your post, I expect it's something which won't be too important, but I want to check that assumption by doing at least a shallow or medium-depth review of the topic.

Also from wikipedia:

"Reserves" refer to the amount assumed recoverable at current market prices and "resources" mean total estimated amounts in the Earth's crust.[9] Phosphorus comprises 0.1% by mass of the average rock[12] (while, for perspective, its typical concentration in vegetation is 0.03% to 0.2%),[13] and consequently there are quadrillions of tons of phosphorus in Earth's 3 * 1019 ton crust,[14] albeit at predominantly lower concentration than the deposits counted as reserves from being inventoried and cheaper to extract.

Phosphate rock may have concentrations as ~20%.

The world phosphate industry has revenue of $45 billion. The agricultural sector accounts for ~$5 trillion of world GDP, ~6% of the total.

So if phosphate really became a dire limiting factor phosphate prices could go up by more than 100x. That provides plenty of room to move to rocks with lower concentrations of phosphorus than current targets. There are also tremendous opportunities for recycling, reduction (higher food prices reallocating production from animal agriculture to human consumption), and so forth.

In a world with cheap energy from solar power and fully automated manufacturing phosphorus supplies would be trivial.

Another (set of) improvement(s) or technology(ies) which I believe may hold more potential than the ones you've mentioned are vertical greenhouses combined with hydroponic or aeroponic agriculture.

The thermodynamics make this nonsensical for staple crops.

is tension between two nuclear states like Pakistan and India is exacerbated by water scarcity for their respective populations in the region

Spending on water is small as a portion of GDP, and there are much bigger issues at play, e.g. Kashmir. There is a lot of exaggeration about 'water wars' on this issue, although it is nonzero.

Pollinator decline is a problem I need to learn more about myself

Honeybee catastrophe is hugely exaggerated and not a serious threat.

Vasco Grilo @ 2023-08-11T18:06 (+2)

Hi Carl,

I've looked into most of these, and generally found them much less spectacular than the headlines suggested.

Have you or Open Phil shared the investigations somewhere?

undefined @ 2018-06-04T05:27 (+2)

Pollinator decline is a problem I need to learn more about myself

Honeybee catastrophe is hugely exaggerated and not a serious threat.

That is a very misleading statement referring to a very questionable article based on questionable interpretation of the US-specific statistics.

Just some of the questions and counterarguments in the comments to that same article:

  • "All the article talks about is the number of colonies. Is this representative of the number of bees? (Has the number of bees per colony remained relatively constant?)".

  • "...Making splits causes a yield of two weak hives, which is not the same as having the vigorous, healthy original hive. And just so you know, the splits the commercial folks are making from the survivors of pesticide, fungicide, herbicide exposure on industrial crops are the already weakened colonies that happen to make it."

  • "The typical Consumerist answer to a problem---"just buy more" bees and queens is not addressing the real problems which are decline in clean forage from toxic chemical exposure, lack of forage diversity, trucking bees all over the country, narrow in-bred genetics. The loss of all pollinators, as well as decline in overall ecosystem diversity from the same insults, is the real issue."

Speaking of some more credible sources:

For example: "...wild bees have undergone global declines that have been linked to habitat loss and fragmentation, pathogens, climate change and insecticides 3,4,5,6,7" (Nature, 2016).

"A growing number of pollinator species worldwide are being driven toward extinction by diverse pressures, many of them human-made, threatening millions of livelihoods and hundreds of billions of dollars worth of food supplies, according to the first global assessment of pollinators" (the UN, 2016, reports 2016, 2017).

By the way: "...field results confirm that neonicotinoids negatively affect pollinator health under realistic agricultural conditions" (Science, 2017).

CarlShulman @ 2018-06-04T06:17 (+3)

To be clear, bees are dying at high rates (and have been for some time) and this is imposing costs on agriculture, and that could get worse, and addressing that is likely a fine use of resources for agricultural R&D and protection.

But that is very different from posing a major risk of human extinction or civilization collapse via breakdown of the ability of agriculture to produce food (particularly the biggest, wind-pollinated, staple crops). That is the exaggerated threat which I say does not check out.

undefined @ 2016-02-23T02:47 (+2)

it can be expensive to store resources for years

It's really cheap to store oil! Just leave it in the ground. Actually negative cost, as the extraction equipment will become cheaper, and you can earn a return on your capital in the meantime.

undefined @ 2016-02-21T10:59 (+2)

Julian Simon, the incorrigible optimist, won the bet - with all five becoming cheaper in inflation adjusted terms.'

I hope he paid Stanislav Petrov off for that.

Less glibly, I lean towards agreeing with the argument, but very weakly - it seems far too superficial to justify turning people away from working on the subject if that's where their skills and interests lie.

In particular in seems unclear that economic-philosophical research into GCR and X-risk has a greater chance of actually lowering such outcomes than scientific and technological research into technologies that will reliably do so once/if they're available.

Yes, people can switch from one resource to another as each runs low, but it would be very surprising if in almost all cases the switch wasn't to a higher-hanging fruit. People naturally tend to grab the most accessible/valuable resources first.

Perhaps the global economy is advancing fast enough or faster than enough to keep pace with the increasing difficulty of switching resource-bases, but that feels like a potential house of cards - if something badly damages the global economy (say, a resource irreplaceably running out, or a project to replace one unexpectedly failing), the gulf between several other depleting resources and their possible replacements could effectively widen. The possible cascade from this is a GCR in itself, and one that numerous people seem to consider a serious one. I feel like we'd be foolish to dismiss the large number of scientifically literate doomsayers based on non-expert speculation.

undefined @ 2016-02-21T14:53 (+4)

I'll start with the most important first:

"Perhaps the global economy is advancing fast enough or faster than enough to keep pace with the increasing difficulty of switching resource-bases, but that feels like a potential house of cards - if something badly damages the global economy (say, a resource irreplaceably running out, or a project to replace one unexpectedly failing), the gulf between several other depleting resources and their possible replacements could effectively widen."

Yes, I acknowledge that is a risk. Personally I have never found a persuasive case that this will probably happen for any particular pressing need we have. But, as I say, the future is uncertain and even if everyone thinks it's unlikely, we could be wrong. So work to make a bigger buffer does have value.

But the question I am concerned with is whether it's the most valuable problem to work on. The considerations above, and current prices for such goods make me think the answer is no.

"The possible cascade from this is a GCR in itself, and one that numerous people seem to consider a serious one. I feel like we'd be foolish to dismiss the large number of scientifically literate doomsayers based on non-expert speculation."

Certainly there are many natural scientists who have that attitude. I used to place more stock in their pronouncements. However, three things reduced my trust:

  • Noticing that market prices - a collective judgement of millions of informed people in these industries - seemed to contradict their concerns. Of course anyone could be wrong, but I place more weight on market prices than individual natural scientists who lack a lot of relevant knowledge.
  • Many of these natural scientists show an astonishing lack of understanding of economics when they comment on these things. This made me think that while they may be good at identifying potential problems, they cannot be trusted to judge our processes for solving them, because academic specialisation means they are barely even aware of them.
  • Looking into specific cases and trends (e.g. food yields or predictions of peak oil) and coming away unconvinced the data supports pessimism.

I think the pessimistic take here is a contrarian bet. It may be a bet worth making, but it has to be compared to other contrarian bets that could be more compelling.

"it seems far too superficial to justify turning people away from working on the subject if that's where their skills and interests lie."

My comments in the piece are that I merely don't encourage people to work on it, and that it is the best fit for some people's skills.

"In particular in seems unclear that economic-philosophical research into GCR and X-risk has a greater chance of actually lowering such outcomes than scientific and technological research into technologies that will reliably do so once/if they're available."

The contrast I intended to draw there is with research into non-resource shortage related GCRs - particularly dangers from new technologies.

"Yes, people can switch from one resource to another as each runs low, but it would be very surprising if in almost all cases the switch wasn't to a higher-hanging fruit. People naturally tend to grab the most accessible/valuable resources first."

It's true that the fruit we will switch to are higher now. But technological progress is constantly lowering the metaphorical tree. In some cases the fruit will be higher at the future time, in other cases it will be lower. My claim is that I don't see a reason for it to be higher overall, in expectation.

undefined @ 2016-02-22T18:30 (+2)

But the question I am concerned with is whether it's the most valuable problem to work on. The considerations above, and current prices for such goods make me think the answer is no.

Sure. I mean, we basically agree, except that I feel much lower confidence (and anxiety at the confidence with which non-specialists make these pronunciations). Going into research in general is something that I've mostly felt more pessimistic about as an EA approach than 80K are, but if someone already partway down the path to a career based on resource depletion showed promise and passion in it, I'd think it plausible it was optimal for them to continue.

Certainly there are many natural scientists who have that attitude. I used to place more stock in their pronouncements. However, three things reduced my trust:

  • Noticing that market prices - a collective judgement of millions of informed people in these industries - seemed to contradict their concerns. Of course anyone could be wrong, but I place more weight on market prices than individual natural scientists who lack a lot of relevant knowledge.

I would probably trust the market over a single scientist, but I would trust the collective judgement of a field of scientists over the market. I don't see what mechanism is supposed to make the market a reliable predictor of anything if not a reflection of the scientific understanding of the field with individual randomness mostly drowned out.

  • Many of these natural scientists show an astonishing lack of understanding of economics when they comment on these things. This made me think that while they may be good at identifying potential problems, they cannot be trusted to judge our processes for solving them, because academic specialisation means they are barely even aware of them.

I've seen the same, but my own sense is that the reverse problem - economists having an astonishing lack of understanding of science - is much more acute. Also, I find scientists more scrupulous about the limits of their predictive ability. To give specific examples two of which are by figures close to the EA movement, Stephen Landsburg informing Stephen Hawking that his understanding of physics is '90% of the way there', Robin Hanson arguing without a number in sight that 'Most farm animals prefer living to dying; they do not want to commit suicide' and therefore that vegetarianism is harmful, and Bjorn Lomborg's head-on collision with apparently the entire field of climate science in The Skeptical Environmentalist.

  • Looking into specific cases and trends (e.g. food yields or predictions of peak oil) and coming away unconvinced the data supports pessimism.

I can't opine on this, except that I still feel greater epistemic humility is worthwhile. If your conclusions are right, it seems worth trying to get them published in a prominent scientific journal (or if not by you then by an academic who shares your views - and perhaps hasn't already alienated the journal in question) - even if you don't manage, one would hope you'd get decent feedback on what they perceived as the flaws in your argument.

It's true that the fruit we will switch to are higher now. But technological progress is constantly lowering the metaphorical tree. In some cases the fruit will be higher at the future time, in other cases it will be lower. My claim is that I don't see a reason for it to be higher overall, in expectation.

Perhaps, but I don't feel like you've acknowledged the problem that technological progress relies on technological progress, such that this could turn out to be a house of cards. As such, it needn't necessarily be resource depletion that brings it crashing down - any GCR could have the same effect. So work on resource depletion provides some insurance against such a multiply-catastrophic scenario.

undefined @ 2016-02-23T03:46 (+2)

I don't think Rob is aiming this piece at people who are already part way down a research track and have a passion for this area.

Rather, we've seen that a large fraction of socially concerned grads (Rob estimates 10% of ppl he's coached) think this is a pressing issue they should consider going into; before having done any research or commited to a cause. This piece is aimed at them.

undefined @ 2016-02-22T19:13 (+2)

That seems pretty reasonable except I take issue with one thing:

"I don't see what mechanism is supposed to make the market a reliable predictor of anything if not a reflection of the scientific understanding of the field with individual randomness mostly drowned out. ... I've seen the same, but my own sense is that the reverse problem - economists having an astonishing lack of understanding of science - is much more acute."

People generating these market prices are not principally economists. I don't think economists have any particular wisdom about the natural sciences but that's not what I'm relying on.

Often people with detailed knowledge of an industry who have a better shot at forecasting e.g. future oil output, are the ones trading. They take a great interest in what scientists and engineers say, if it's credible, because it can help them make money. Where the prices traders generate are inconsistent with what an outspoken pessimist or optimist says, I downgrade its reliability because they haven't yet managed to persuade people with money on the line.

An economist need know nothing at all about the details of US politics to know that establishing a liquid prediction market can get them good information about the likely outcome of an election.

By contrast a natural scientist who doesn't know how businesses respond to resource scarcity is in deep trouble trying to forecast the likely outcome because they lack half the picture.

Now this is no guarantee, because prices often end up being misjudged. But it's the best thing I can see to go on for the modal scenario.

Consistent with that, if resource prices and futures spike, I will upgrade this cause area a lot.

undefined @ 2016-02-22T17:53 (+1)

(reposted from slightly divergent Facebook discussion)

I sometimes wonder if the 'neglectedness criterion' isn't overstated in current EA thought. Is there any solid evidence that it makes marginal contributions to a cause massively worse?

Marginal impact is a product of a number of factors of which the (log of the?) number of people working on it is one, but the bigger the area the thinner that number will be stretched in any subfield - and resource depletion is an enormous category, so it seems unlikely that the number of people working on any specific area of it will exceed the number of people working on core EA issues by more than a couple of orders of magnitude. Even if that equated to a marginal effectiveness multiplier of 0.01 (which seems far too pessimistic to me), we're used to seeing such multipliers become virtually irrelevant when comparing between causes. I doubt if many X-riskers would feel deterred if you told them their chances of reducing X-risk was comparably nerfed.

Michael Wiebe commented on my first reply:

No altruism needed here; profit-seeking firms will solve this problem.

That seems like begging the question. So long as the gap between a depleting resource and its replacement is sufficiently small, they probably will do so, but if for some reason it widens sufficiently, profit-seeking firms will have little incentive or even ability to bridge it.

I'm thinking of the current example of in vitro meat as a possible analogue - once the technology for that's cracked, the companies that produce it will be able to make a killing undercutting naturally grown meat. But even now, with prototypes appearing, it seems too distant to entice more than a couple of companies to actively pursue it. Five years ago, virtually none were - all the research on it was being done by a small number of academics. And that is a relatively tractable technology that we've (I think) always had a pretty clear road map to developing.

undefined @ 2016-02-20T20:38 (+2)

Someone who confidently tells you almost all natural resources will become much more or less abundant should be treated with suspicion.

I'd be interested in whether financial markets had something to say about this question though.

undefined @ 2016-02-20T20:53 (+1)

I'm using current prices as the key indication of how scarce something is (and is expected to be in the future). So if the price goes up in financial markets, it has become more scarce.

So I completely agree. If I want the best guess about how scarce something will be in future I look at commodity and futures markets. It's far from perfect, and it won't always indicate the size of future risks, but it's much more reliable than any one person's view.

undefined @ 2016-02-21T06:46 (+1)

Does anyone know if futures markets for crude oil exist on more than a 10-year time frame?

undefined @ 2016-02-22T17:11 (+1)

On the Nymex, they currently go out to Dec 2024. That contract appears to trade less than once a week.

There might be occasional contracts for more distant years traded between institutional investors that don't get publicly reported, but the low volume on publicly traded contracts suggests people just aren't interested in trading such contracts.

undefined @ 2016-02-20T21:40 (+1)

Right, and I think options markets might go a step further and quantify future risks.

undefined @ 2016-02-21T08:43 (+1)

"We are running out of uranium" – we have 200 years supply at current rates, and if we started using a lot more and prices went up then that would make breeder reactors, for example more financially viable. These use less than 1 % of the uranium needed for current LWRs. http://www.scientificamerican.com/article/how-long-will-global-uranium-deposits-last/

Financially viable thorium reactors would be awesome, but we don't have to wait for that. Uranium is not running out – at least not in the simple and obvious meaning of "running out".

undefined @ 2016-02-21T09:06 (+2)

Thanks for the correction - I recall reading that uranium would be exhausted within the century but looks like that was a bad source.

Given that timeline solar energy or some other material will presumably be able to displace uranium before we run out.