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Post collapse, just what will we eat…..?

Post collapse, just what will we eat…..?

Further to my post where I explained how Australia’s poor soils are largely incapable of growing much more than meat, this article landed in my news feed…

Here’s a list of what Australian farmers produce:

  • Each year, on average each Australian farmer feeds 600 people.
  • Agriculture powers 1.6 million Australian jobs.
  • Australian farmers manage 48 per cent of the nation’s landmass.
  • Cattle, wheat and whole milk are our top three commodities by value.
  • More than 99% of Australia’s agricultural businesses are Australian owned.
  • Out of the $58.1 billion worth of food and fibre Australian farmers produced in 2015-16 77 per cent ($44.8 billion) was exported. 
  • 6.8 million hectares of agricultural land has been set aside by Australian farmers for conservation and protection purposes.
  • Australian farmers are among the most self-sufficient in the world, with government support for Australian farms representing just 1% of farming income. In Norway it is 62%, Korea 49%, China 21%, European Union 19% and United States 9%.

Farm facts by commodity

  • In total, Australian beef cattle farmers produce 2.5 million tonnes of beef and veal each year. Australians eat an average 26kg of beef per person, per year. 
  • Australians consume an average of 45.3kg of chicken meat per person, per year. This not only cements chicken’s position as Australian consumers’ favourite meat, but also makes Australia one of the largest consumers of chicken meat in the world!
  • In a normal year, Australia’s cotton growers produce enough cotton to clothe 500 million people.
  • Australia produces about 3 per cent of the world’s cotton but is the fifth largest exporter, behind the USA, India, Brazil, Uzbekistan.
  • Australian dairy farmers produce 9,539 million litres of whole milk per year with the farmgate value of milk production being $4.3 billion.
  • On average, each Australian eats 3.08kg of dried fruit per year. Total Australian dried fruit exports in 2015–16 totalled 5,000 tonnes and was valued at $19.4 million.

…click on the above link to read the rest of the article…

The end of the Oil Age, as we knew it

The end of the Oil Age, as we knew it

I’ve just spent the last hour reading this long article, full of links to keep you occupied right through the holidays…. Louis loves his acronyms, and they can be tedious, but this is such an important piece of work. He’s the only person I know who thinks in a thermodynamic fashion; and as we know, thermodynamics takes no prisoners. You have to bear in mind he wrote this in 2017 when not many people were forecasting a pandemic. As I’ve been saying, pandemic or no pandemic, 2020 was crunch time, and 2030 is full on TSHTF time. You might need a strong drink at the end….

Part 3 of Looking down the barrel — the Tooth Fairy & the Dragon-King

This is our fifth GB post on the global demand for something else. Our two previous posts cast light on two “thermodynamic elephants” roaming in the “globalised industrial world room”, the GIW — the loss of access to bioenergy and the loss of access to oil. We characterised the second elephant as being in fact a Dragon-King, the Oil Fizzle Dragon-King (OFDK), that is, a very high probability abrupt process of very high impact that nonetheless almost no one saw coming because they were blinded by their beliefs, prejudices and short term interests. We are now going to look more in depth down the barrel, into the fizzling out, that is, the oil dynamics that triggered OFDK, as this will give us insight as to what may be coming next and how best to address OFDK. Most importantly, OFDK heralds the end of fiat currencies and an explosion of the demand for cryptocurrencies anchored in sound thermodynamics.

The Oil Fizzle Dragon-King in brief

Figure 1 — This is not a Black Swan

…click on the above link to read the rest of the article…

It’s all happening…..

It’s all happening…..

Anyone who has been following this blog long enough will know that I predicted 2020 was crunch time and that we were heading into the mother of all energy crises. As I write, the UK is in deep turmoil, Germany is making contingency plans for blackouts, Lebanon has turned power off, China’s rationing electricity and India is doing the same. Low rainfall in Scandinavia has resulted in diminished hydroelectric power output (that will probably impact the UK if Norway is unable to send electricity down the new North Sea cable), and this is happening in South America and the West of the USA where speculation of the grid going down this winter is going rife. South Africa is also in trouble….. It’s hard to not feel like it’s all happening…..

So why are all these crises happening all at once…? Read on, this article is from SURPLUS ENERGY ECONOMICS, one of my favourite sites, which explains the predicament the whole world is seemingly in the grips of…..

#213. A moment of truth

THE ARRIVAL OF ECONOMIC CONSTRAINT

Some of us have long understood that the economy is an energy system, and is not – as orthodox economics insists – wholly a financial one.

We’ve identified credit and monetary adventurism as futile efforts to deny this reality, efforts which, whilst not ‘fixing’ low and reversing “growth”, have exacerbated financial risk by driving a wedge between the ‘real’ economy of goods and services and the ‘financial’ economy of money and credit.

We’ve highlighted relentless rises in ECoEs (the Energy Costs of Energy) as the process by which expansion in economic output peters out, and prior growth in prosperity goes into reverse.

…click on the above link to read the rest of the article…

Greywater revisited

Greywater revisited

Years ago I wrote about the sustainable greywater I installed in Cooran. It was always my intention to do this again, even though such systems, as sustainable as they are, are no longer ‘legal’. I couldn’t give a you know what anymore, the way things are panning out nobody else will either soon…..

I actually had to do this twice, because at first I couldn’t work out how to connect one of those green valve inspection housings to the outlet of the IBC I decided to use instead of spending $300 on another piece of plastic….

So I cut the IBC to the right height and used geotech fabric I happened to have lying around from the drainage work behind the house. Bad idea, all it did was block off all flows out of the IBC and drown my recently acquired worms….

I dug all the sloppy wet compost into two wheelbarrows and fitted a valve inspection housing in the IBC. Of course the big difference is that an IBC already has an outlet, which at first I couldn’t work out how to connect to the valve inspection housing until I literally dreamed up a way in the middle of the night!

I then respread the gravel around the housing I had predrilled with 12mm holes, and outlet pipe. Then the compost went back in. There are still a few worms left, but I’ll have to repopulate what is basically a worm farm…

Then the mulch went back on top of the capped housing, and the plumbing from the kitchen sink going through the wall of the house was reconnected.

The outlet pipe goes under the recently laid road base we dumped on the front apron of the house. As soon as the weather cooperates, it’ll be topped with blue metal, and our solar pergola can then be built…. Eventually, the whole thing will disappear under outdoor kitchen furniture. Lots to do still, watch this space…

The concept of Peak Sun Hours

The concept of Peak Sun Hours

Further to my recent post about the intermittency of solar power, I thought I’d tackle some of you more mathematically challenged and hopefully bring more light (no pun intended) to the problems facing those who believe in 100% renewables running complex civilisation.

If on a perfect cloudless sunny day you plot the output of a solar array between sunrise and sunset you’ll end up with a perfect bell curve. This rarely happens of course. Clouds come and go, and depending on where your panels are installed all sorts of things can shade your panels, like trees. The curve then comes out looking rather less perfect, a bit like this…:

The pale blue area is the cloudless curve, the darker one is real life. Around 8am there’s a dip, could be caused by a cloud or a tree; and by the way, it only takes partial shading of a single panel to cause s drop off in production for the entire array. So a shadow caused by a stink pipe protruding through one’s roof could cause this….

Back to the curve. The AREA under this curve is important. It represents the ENERGY generated by the power shown on the y axis multiplied by the time on the X axis. Energy is power X time, hence kWh is the preferred unit of energy when discussing electricity.

The variability of the sun’s input plus all the shading issues make measuring the energy generated on any one day kind of difficult. Luckily, we have technology….

Maximum Power Point Trackers (MPPTs) have white man’s magic built into them to not just measure energy but even store the data so that nerds like us can talk about it and even blog about it…!

…click on the above link to read the rest of the article…

More on the thermodynamic black hole…

More on the thermodynamic black hole…

I recently wrote about the thermodynamic black hole; articles about ERoEI keep popping up in my in tray that truly baffle me…… As Alice Friedemann told Chris Martenson in the podcast I discussed in the aforementioned blog post, “everyone disagrees on what to leave in or out of their ERoEI analyses”….

I was pointed to another blog called Ramez Naam where the following was published…:

There’s a graph making rounds lately showing the comparative EROIs of different electricity production methods. (EROI is Energy Return On Investment – how much energy we get back if we spend 1 unit of energy. For solar this means – how much more energy does a solar panel generate in its lifetime than is used to create it?)

This EROI graph that is making the rounds is being used to claim that solar and wind can’t support an industrialized society like ours.

But its numbers are wildly different from the estimates produced by other peer-reviewed literature, and suffers from some rather extreme assumptions, as I’ll show.

Here’s the graph.

eroi-of-solar-wind-nuclear-coal-natural-gas-hydro-800x630

This graph is taken from Weißbach et al, Energy intensities, EROIs, and energy payback times of electricity generating power plants (pdf link). That paper finds an EROI of 4 for solar and 16 for wind, without storage, or 1.6 and 3.9, respectively, with storage. That is to say, it finds that for every unit of energy used to build solar panels, society ultimately gets back 4 units of energy. Solar panels, according to Weißbach, generate four times as much energy over their lifetimes as it takes to manufacture them.

Personally, I think these figures are a bit on the optimistic side, yet the author has a problem with them for being too low…

…click on the above link to read the rest of the article…

 

Net Zero: a failure for climate change mitigation

Net Zero: a failure for climate change mitigation

Earth and Humanity

Earth and Humanity

Every year, Nate Hagens produces a video for Earth Day. Nate is someone I cannot admire enough. These videos normally last about an hour, but this year one of his University colleagues told him it was about time he stopped pussy footing around and tell it like is. So this year’s effort runs for almost three hours…… and it’s Nate’s tour de force…! You probably won’t learn much if you’ve been lurking on this blog long enough, but you won’t be disappointed, and you should certainly share the hell out of it, because it’s fast becoming urgent for the ignorant masses to find out the truth….

 

The implications of collapsing ERoEI

The implications of collapsing ERoEI

Judging by the relatively low level of interest the past few articles published here regarding the collapse of fossil fuel ERoEI (along with PV’s) have attracted, I can only conclude that most people just don’t get it……. How can I possibly fix this……?

When I first started ‘campaigning’ on the issue of Peak Oil way back in 2000 or so, 2020 seemed like a veoileroeiry long way away. I still thought at the time that renewables would ‘save us’, or at the very least that energy efficiency would be taken up on a massive scale. None of those things happened.

Way back then, I gave many public powerpoint presentations, foolishly thinking that, presented with the facts, (NOT alternative facts like we have today…) people would wake up to themselves. I even foolishly believed that the Australian Greens would take this up as a major issue, because after all the ‘solutions’ to Peak Oil also happen to be the ‘solutions’ for Climate Change. Now you know why I have turned into such a cynic.

In that presentation, there was one important slide, shown above. It is indelible in my memory.

I’ve now come across a very similar chart, except this one has dates on it….. and 2020 no longer seems very far away at all….

COLLAPSING ERoEI IN ONE CHART

peakeroei

I have selected three years; 2017, in red; 2020 in black; 2025 in green.

Each year has two lines. One for how much energy is being extracted, and the lower one of the same colour shows the net energy available from that extraction. The ‘missing’ energy, lost to crashing ERoEI, is the difference between the two lines of the same colour….  Already, in 2017, we probably only have the amount of energy that was available mid 1980.

…click on the above link to read the rest of the article…

Myth of Utopian energy

Myth of Utopian energy

Olduvai IV: Courage
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Olduvai II: Exodus
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