Showing posts with label recycling. Show all posts
Showing posts with label recycling. Show all posts

Wednesday, January 27, 2021

Sorry, the economy's bum does look big. We've put on a lot of weight

If you’re like many readers, you think economists and business people are obsessed with gross domestic product and dollars, dollars, dollars. So, as a never-to-be-repeated offer, today I’m going to write not about what Australia’s production of goods and services is worth, but what it weighs.

Believe it or not, Dr Andrew Leigh, a federal Labor politician and former economics professor, is just publishing the paper Putting the Australian Economy on the Scales in the Australian Economic Review.

Using a lot of ancient statistics and making various assumptions – so that his figures are, on his own admission, “rough” but still indicative – Leigh estimates that the physical weight of the nation’s annual output of goods and services has gone from 55,000 tonnes in 1831, to 6 million tonnes in 1900, 62 million tonnes in 1960, 355 million tonnes in 2000, and 811 million tonnes in 2018.

Of course, our population has grown hugely in that time, but the weight of output per person is also way up. It was less than a tonne in 1831, six tonnes in 1960 and 32 tonnes per person in 2018. That’s a 47-fold increase.

Well, that’s nice to know. But who in their right mind would bother working out all that? What does it prove? More than you may think – especially if you worry about the impact all our economic activity is having on the natural environment.

You’ve heard, I’m sure, about our big and growing “material footprint” caused by our production and consumption of raw materials. It, too, is measured by weight. The United Nations Environment Program International Resource Panel publishes estimates of the footprints of 150 countries, with the Australian figures coming from the CSIRO and industrial ecologists at the universities of Sydney and NSW.

In measuring a country’s footprint, they take account of four kinds of raw materials: biomass (from grass to timber), metals, construction materials and fossil fuels. It turns out, for instance, that the footprint of a kilo of beef is 46 kilos.

The UN takes a great interest in countries’ material footprint because one of its sustainable development goals is to decouple economic growth from environmental degradation. Ecologists worry that, particularly as poor countries lift their living standards up towards those the rich countries have long enjoyed, the pressure on the globe's natural environment will be . . . well, unsustainable.

But whereas the ecologists’ figures show all countries’ material footprints getting bigger, a lot of economists argue that as economic growth and advances in technology continue, the economy is “dematerialising” – getting lighter.

This is because most of the growth in GDP has come from more provision of services rather than more production of goods through farming, mining and manufacturing. Human labour has no weight, even though it may involve more use of electricity and fuel.

But also because the physical weight of many goods is falling. Leigh reminds us that houses and vehicles are built from lighter materials. Domestic appliances are more compact. Transport networks are more energy-efficient. Software makes it possible to upgrade devices – from games to cars – that might previously have required new physical parts or total replacement.

These shifts led Alan Greenspan, former chairman of the US Federal Reserve, to claim in 2014 that “the considerable increase in the economic wellbeing of most advanced nations in recent decades has come about without much change in the bulk or weight of their gross domestic product”. Without question, he argued, the economy “has gotten lighter”.

So the point of Leigh’s calculations is to check who’s right: those economists claiming the economy is dematerialising, or the ecologists calculating that our material footprint is getting heavier.

Clearly, he comes down on the side of the ecologists. Although his method gives an estimate of the economy’s weight that’s about a fifth lower than the ecologists’, he confirms the general trajectory of their continuing increase. He estimates that a 10 per cent increase in real GDP is associated with a 12 per cent increase in its weight.

Now, you could argue that Australia’s huge “natural endowment” of minerals and energy makes us quite unrepresentative of the advanced economies. Our mining industry has been booming, on and off, since the late 1960s. All you need to know is that our production of (heavy) iron ore – most of it for export – has risen ninefold since 1990.

But Leigh believes all the rich economies have expanding material footprints. The goods they consume may have been getting lighter per piece, but they’ve gone on consuming a lot more of them. Planes may be more fuel-efficient, but far more people are flying far more often (when we’re allowed). Clothes may be lighter, but we buy more of them. Food packaging may be thinner – I can remember when fruit and veg arrived at the greengrocers in wooden boxes - but we’re eating more takeaway meals.

Leigh concludes that, like the paperless office, the weightless economy remains surprisingly elusive. Which doesn’t change the need for us to put the economy on an ecological diet.

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Wednesday, August 21, 2019

Recycling is all about being taken for a ride

Another day, another crisis. The crisis in kerbside recycling has been building since China effectively refused to take any more of our rubbish about 18 months ago. Then we sent it to other Asian countries, but now they’re jacking up, too.

The disruption to the local recycling industry has caused one company that accepted recycled material from local councils in Victoria and South Australia to collapse, leaving five big warehouses stuffed with baled paper and plastic that no one wants.

But then Scott Morrison took charge. At a meeting with the premiers, they agreed to establish a timetable to ban the export of waste plastic, paper, glass and tyres. In the meantime, he committed $20 million for “innovative projects to grow our domestic recycling industry”.

Morrison said Australia needed to take responsibility for its own waste, but this moral act should be seen as a money-making opportunity rather than a new economic burden. The changes should “not have to cost us more – in fact, hopefully, it’ll cost us less”.

Minister for Industry Karen Andrews said: “Boosting our onshore recycling industry has the potential to create over three times as many jobs as exporting our plastic waste, ensuring a more sustainable and prosperous future.”

Really? Sounds delusional to me. The truth is that most of what we put out each week is of little value to business – especially after you’ve had to move it, sort it, move it again, clean it up, melt it down or whatever.

It’s not clear that the cost of making our waste attractive to local businesses would be less than they were prepared to pay for it. If not, we’d pay through higher taxes. Of course, governments could compel businesses to use recycled materials, but if this increased their costs we’d pay through higher prices.

This is why, until now, so much of our waste – and that of the Americans, Japanese and Europeans – has been shipped around the world to Asian countries. That’s where wages are low enough to make feasible all the work involved in recovering waste materials.

But even they are now deciding it’s not worth all the air pollution, chemical emissions, discharge of untreated water and damage to workers’ health involved. A fair bit of the plastic can’t be recycled and gets burnt.

So we could spend a lot more than we do at present ensuring that we recycle a high proportion of our own household waste, but before we do we ought to ask ourselves how we’ve come to believe that recycling most of the stuff we discard is absolutely central to our efforts to reduce the damage we’re doing to the natural environment.

Why are we putting recycling on a higher pedestal than reducing carbon emissions? Because it’s easier? We’re learning it’s not as easy as it seems.

If the amount of household waste is such a problem, why are we emphasising recycling rather than reduced packaging? Because governments don’t like telling big business what it can and can’t do?

It amazes me that we’ve put recycling up there with motherhood and never stop to question whether it’s the best use of our time and money in the “environmental space”.

I think recycling involves a high degree of self-delusion (and don’t worry, I’ve been known to completely repack our bin so as to fit more in). It’s more about feeling good than doing good.

We’ve taken to recycling because, with just a small effort on our part, we’re able to convince ourselves we’re doing our bit to save the planet. (I remember shopping at a supermarket in California, with all its indulgences and absurd degree of choice. At the checkout, you were asked whether you wanted your stuff packed in “paper or plastic”. All you had to do was say “paper” and you emerged with a clear conscience.)

With kerbside recycling, it’s out of sight, out of mind. I played my part, what happens after that is up to the government. Turns out, we’ve been sweeping our dust under the carpet and only now are noticing the bulge.

Governments have found it easier to play along with our delusions – see above – than tell us the disillusioning truth. Green groups and ecologists also play along because they think it gives us something to do and keeps us engaged with their issue.

Nobody actually wants the stuff, so the authorities have been shipping it off to Asia on the q.t. Much of the stuff that doesn’t get shipped away ends up in landfill anyway.

What do we imagine recycling achieves? How much further use of fossil fuel, water, chemicals and other damage to the environment is justified to ensure the last bit of paper or bottle cap is recycled?

Recycling’s total effect on the environment is a far more complicated sum than it suits governments and experts to tell us.

For instance, we know how bad single-use plastic bags are. What we’re not told is that, according to a British government study, you have to use a paper bag three times – or a cotton bag 131 times – to be sure that, once the effect of producing the bag is taken into account, you’ve contributed to fewer carbon emissions.

We need to be sure we’re directing our effort and expense towards the most environmentally beneficial ends.
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Saturday, January 19, 2019

Squaring the world's waste circle ain't that easy

If you think we’ve been standing still – even going backwards – on reconciling the economy with the natural environment, that’s not wholly true. While our refusal to get real on climate change drags on, we’ve started our journey to the nirvana of a “circular economy”.

Never heard the term? Heard of it, but not sure what it means? Really? It’s the great intellectual fashion statement of 2018.

And, since it has more merit than I suspect many of its advocates realise, we must hope it doesn’t fall out of fashion long before it’s done any good.

Governments around the world are doing things about it. Mainly, saying what a nice idea it is, writing reports and designing “road maps”.

The Organisation for Economic Co-operation and Development has taken up the cause in its RE-CIRCLE project. And no lesser bunch of worthies than the World Economic Forum (the Davos brigade) is enthusiastic.

Here in Oz, last year saw a favourable report from a Senate committee. The Victorian, South Australian and NSW governments have recently signalled their support, with the latter issuing a “circular economy policy statement” in October.

Some of my information comes from an explainer by the Victorian Parliamentary Library, written as recently as October. Circularity is hot, hot, hot.

The explainer explains that, as presently organised, market economies are linear. You take natural resources, process them into many and varied goods – from food to fancy electronic gizmos – which you and I consume before eventually disposing of them. Then we take more natural resources and start the process again.

In contrast, the goal of a circular economy is to keep natural resources in use for as long as possible, extract the maximum value from them while in use, then recover and regenerate products and materials at the end of their serviceable life.

Get it? The ultimate goal is to “decouple” economic growth from the consumption of natural resources.

The OECD points out that, over the last century, global use of raw materials grew at almost twice the rate that the population grew.

To minimise the – to some extent irreparable - damage that economic activity does to the natural environment, we need to ensure it involves less net use of natural resources.

The idea that natural resources should be recycled is one Australians – and people throughout the rich world – happily embraced ages ago. Almost all of us divide our garbage between recycling and the rest before we put it out.

But the concept of a truly circular economy requires us to go a lot further than that. We need to repair the durable products we use rather than throwing them out and buying another.

But that means changing the design of those products from disposable to repairable – and upgradeable. It means making much greater use of recycled materials in the manufacture of “new” products, as well as doing something sensible about all that packaging.

In my limited reading of all the circular economy bumf, I haven’t seen it explained that the basic problem arises from the first law of thermodynamics, which says that matter can be transformed from one form to another, but can be neither created nor destroyed.

In other words, something has to happen to all the natural resources we use to produce and consume. They don’t cease to exist, they just change form. They turn into multiple forms of waste, which we dispose of down the sewer and in landfill.

One important form of waste created by the economic process – particularly if it involves burning fossil fuels – is the emission of greenhouse gases. For more than 200 years we couldn’t see this happening, so we didn’t think it was a problem.

Now we know the gases hang around in the upper atmosphere, trap the earth’s heat from the sun like the roof of a greenhouse, and raise the earth’s temperature.

When you consider how much trouble we’re having agreeing on a solution to that small part of our waste problem, don’t kid yourself dealing with the rest of the waste will be a simple matter of everyone seeing the light and doing the right thing with a bit of encouragement from the government.

What worries me about the circular-economy push is not the objective – it’s dead right - it’s the naivety of those doing the pushing. They want to radically transform the economy, but haven’t seen the need to consult any economists about how you might go about it.

All the governments know better, of course, but they seem to have decided that, as long as it stays on the level of appealing to people to Do The Right Thing, it could keep the greenies diverted without doing much harm.

No one seems to have asked the obvious question: just why is the economy presently linear not circular? Answer: because all the powerful economic incentives push us in that direction.

Because the resources the environmentally aware care about – natural resources – are relatively cheap, whereas the resource they don’t think about, but everyone else does, labour, is relatively dear.

Why do you think the nation’s local councils have been taking most of our recycling and shipping it off to China? Because processing that stuff in a rich country like ours is uneconomic.

Why have the Chinese been taking it? Because their wages were low enough to make processing profitable (that is, economic).

Why have the Chinese now stopped taking it? Because their economic success has raised wage rates and made it no longer profitable.

So, how on earth could we make our economy circular?

Ask economists to figure out a plausible way of reversing our incentive structure. That's the kind of job they do when asked.
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Saturday, October 27, 2018

Growth in world economy will take a toll on the environment

If the world’s population keeps growing, and the poor world’s living standards keep catching up with the rich world’s, how on earth will the environment cope with the huge increase in extraction, processing and disposal of material resources?

It’s a question many people wonder and worry about – without much sign it’s even crossed the mind of the world’s governments.

Until now. The Organisation for Economic Co-operation and Development is about to publish a Global Material Resources Outlook, which uses much fancy modelling to make an educated guess about what’s likely to happen in the future.

The report projects that, over the 50 years to 2060, annual global use of materials – including metals, fossil fuels, biomass (food and fibres) and non-metallic minerals (mainly sand, gravel, limestone and other building materials) – will more than double, from 79 gigatonnes in 2011 to 167 Gt in 2060. Gosh.

So how did the report reach that figure? It started by estimating the likely growth in the world’s population. Although its rate of growth is expected to slow, the world population could increase from 7 billion to 10 billion by 2060.

At the same time, material living standards in the developing countries are expected to continue converging on those of the developed countries.

Gross domestic product per person is expected to continue growing at a much faster rate in the poorer countries than the rich ones. So much so that, by 2060, the global level of real GDP per person is expected to have reached where it was for just the (richer) OECD countries in 2011.

This implies a tripling in global income per person to about $US40,000 a year – after adjusting for PPP, purchasing-power parity, to allow for one US dollar buying a lot more in a poor country than it does Stateside. The fastest catch-up will be in China and, to a lesser extent, India and south-east Asia.

That’s good news for the world’s non-rich. It would be a bit rich for the well-off countries to expect the poor countries to stay poor just to reduce pressure on the natural environment in a way we’re not prepared to.

Multiply world population by world income per person and you get world GDP. It’s expected to quadruple.

Even so, its rate of growth may slow. Whereas at the turn of the century world GDP was growing at an average rate of about 3.5 per cent a year, it’s expected to stabilise at a rate of less than 2.5 per cent well before we reach 2060.

(Why? Partly because of arithmetic. It’s much easier for a small number to grow by a high percentage than for a big number to. But also because, when you’re way behind, it’s relatively easy to catch up with the world’s technological frontrunner, the US, by adopting its better existing technology. Once you’ve done the easy bits, however, it gets harder to grow as fast. China will account for much of the global slowing.)

But hang on. If world GDP is expected to quadruple, how come materials use is expected only to double?

It’s because other things – helpful things – will be going on at the same time. The first is that the world economy is “dematerialising”.

Machines and gadgets are getting smaller and using less metal, but more to the point is the “servitisation” of the world economy (there’s a new ugly buzz word to add to your collection) – the tendency for more of each dollar we spend to go on services rather than goods.

Services have lower materials “intensity” – materials use per unit of output - than goods. The shift in the mix from goods to services is a function of economic development. When you’re poor the main thing you want is more goods, but as you get richer there’s a limit to how much you want to eat or wear and how many cars and TV sets you need. But there’s no limit to how many things you’d like to pay other people to do for you.

This shift is already well advanced in the rich countries, but the poor countries have a lot of infrastructure and housing to build (and a lot of cars and TV sets to buy) before they begin to approach material satiation.

The share of services in world GDP is projected to rise from 50 per cent to 54 per cent over the 50 years.

A second helpful factor is that technological advance should increase the efficiency with which materials are used. The two factors are projected to reduce the materials intensity of world GDP at the faster average rate of 1.3 per cent a year.

So, the report finds, were materials use to keep up with economic growth, annual use would increase by 283 Gt to 362 Gt. But the shift to services will reduce that increase by 111 Gt and technological advance will reduce it by 84 Gt, meaning materials use rises to just 167 Gt in 2060.

Note, however, that this is growth in “primary” materials extraction, not “secondary” use of recycled materials, which the report says is likely to become more competitive and grow at the same rate. So increased recycling is another factor helping to explain the lesser growth in primary extraction.

With GDP growing faster than materials use, the report is expecting a partial “decoupling” of the two.

Of course, there’ll still be a big increase in pollution. Greenhouse gas emissions, but also acidification, freshwater aquatic ecotoxicity, terrestrial ecotoxicity, human toxicity via inhalation or the food chain, photochemical oxidation (smog), ozone layer depletion, and not forgetting increased land fill to dump the materials when we’re done with ’em.

Final point: this “baseline scenario” assumes no change in government policy. That’s the point: it’s intended to show the world’s governments how great is the need for them to make a policy response.

Such as? I’d like to see a tax on materials use, with the proceeds used to reduce the tax on labour income. Similar to a price on carbon, this would do much to encourage recycling, repair and renovation, and economising in the use of materials.
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Wednesday, December 20, 2017

We should change the culture of Christmas

Christmas, we're assured, brings out our best selves. We're full of goodwill to all men (and women). We get together with family and friends – even those we don't get on with – eat and drink and give each other presents.

We make an effort for the kiddies. Some of us even get a good feeling out of helping ensure the homeless get a decent feed on the day.

And this magnanimous spirit is owed to The Man Who Invented Christmas, Charles Dickens. (You weren't thinking of someone else, surely?)

According to a new survey of 1421 people, conducted by the Australia Institute, three-quarters of respondents like buying Christmas gifts.

Almost half – 47 per cent – like having people buy them gifts. And 41 per cent don't expect to get presents they'll never use.

Well, isn't that lovely. Merry Christmas, one and all!

Of course, there's a darker, less charitable, more Scrooge-like interpretation of what Christmas has become since A Christmas Carol.

Under the influence of more than a century of relentless advertising and commercialisation – including the soft-drink-company-created Santa – its original significance as a religious holy-day has been submerged beneath an orgy of consumerism, materialism and over-indulgence.

We rush from shop to shop, silently cursing those of our rellos who are hard to buy for. We attend party after party, stuffing ourselves with food and drinking more than we should.

All those children who can't wait to get up early on Christmas morning and tear open their small mountain of presents are being groomed as the next generation of consumerists. Next, try the joys of retail therapy, sonny.

But the survey also reveals a (growing?) minority of respondents who don't enjoy the indulgence and wastefulness of Christmas.

A fifth of respondents – more males than females – don't like buying gifts for people at Christmas. Almost a third expect to get gifts they won't use and 42 per cent – far more males and females – would prefer others not to buy them gifts.

The plain fact is that a hugely disproportionate share of economic activity – particularly consumer spending – occurs in one month of the year, December.

And just think of all the waste – not just the over-catering, but all the clothes and gadgets that sit around in cupboards until they're thrown out. All the stuff that could be returned to the store, but isn't.

At least the new practice of regifting helps. Unwanted gifts are passed from hand to hand, rather like an adult game of pass-the-parcel, until someone summons the moral courage to throw them out.

Still, buying things that don't get used is a good way to create jobs and improve the lives of Australians, no?

Not really. The survey finds only 23 per cent of respondents agree with this sentiment, while 62 per cent disagree.

One change since Scrooge's day is that those who worry most about waste – at Christmas or any other time – do so not for reasons of miserliness, but because of the avoidable cost to the natural environment.

Rich people like us need to reduce our demands on the environment to make room for the poorer people of the world to lift their material standard of living without our joint efforts wrecking the planet.

This doesn't require us to accept a significantly lower standard of living, just move to an economy where our energy comes from renewable sources and our use of natural resources – renewable and non-renewable – is much less profligate.

This is the thinking behind the book Curing Affluenza, by the Australia Institute's chief economist – and instigator of the survey – Dr Richard Denniss.

He says we can stay as materialists (lovers of things) so long as we give up being consumerists (lovers of buying new things). We can love our homes and cars and clothes and household equipment – so long as that love means we look after them, maintain and repair them, and delay replacing them for as long as we reasonably can.

The survey shows we're most likely to repair cars, bikes and tools and gardening equipment, but least likely to repair clothing, shoes and kitchen appliances, such as blenders, toasters and microwaves.

What would encourage us to get more things repaired? Almost two-thirds of respondents would do more if repairs were covered by a warranty. More than 60 per cent would do more if repairs were cheaper. And 46 per cent if repairs were more convenient – which I take to mean if it was easier to find a repairer.

How about making repair work cheaper by removing the 10 per cent goods and services tax on it? Two-thirds support the idea; only 19 per cent oppose.

Point is, there are straight-forward things the government could do to encourage us to repair more and waste less. Were it to do so, this would help restore older attitudes in favour of repairing rather than replacing.

Trouble is, politicians tend to be followers rather than leaders on such matters. So the first thing we need is a shift in the culture that makes more of us more conscious of the damage our everyday consumption is doing to the environment. That putting out the recycling once a week ain't enough.

We could start by changing the culture of Christmas.
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