The Fossil Fuel System Is Collapsing – and Taking Civilisation’s Safety Net With It

The world has crossed a tipping point into an era of permanently declining fossil fuel supplies — and unless governments and industry act on that reality now, the result will be a full-system breakdown across every sector on which modern civilisation depends.

The war on Iran has broken five critical systems at the same time — energy, food, industry, pharmaceuticals and government finances — and each failure is feeding every other in a self-reinforcing spiral. The fossil fuel system driving it all was already in structural collapse before the first missile was fired. The war has accelerated a process that physics and geology had set in motion long before it. There is no return to normal.

The components of the crisis are being reported in isolation — the oil price spike, the fertiliser shortage, stagflation, pharmaceutical supply chains — but what the fragmented coverage misses is that they are faces of a single systemic fracture.

Our new working paper published by the Club of Rome’s Earth4All initiative, co-authored with energy and finance specialists with experience across Shell, Lightsource BP, the World Economic Forum and the Energy Transitions Commission, maps the full architecture of this crisis – and the exit route.

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How Civilisational Collapse Works

In 2002, systems analyst Thomas Homer-Dixon mapped how modern civilisations break down. Last April, he warned that the Israel–Iran war closing the Strait of Hormuz could trigger the ‘polycrisis’ dynamics he had warned about. The processes he described a quarter of a century ago are now unfolding in real time.

Complex societies do not collapse from a single blow. They collapse when multiple systems fail at once and each failure makes every other one worse – faster than institutions can respond. Homer-Dixon called this “synchronous failure”.

The mechanism is a ratchet: each crisis depletes the buffers – savings, fiscal headroom, political trust, industrial capacity – that the next crisis would need. Eventually the gap between the scale of the problem and the institutional capacity to respond becomes too wide to bridge.

Consider where Britain and Europe stand right now. The same Gulf disruption pushing up energy bills has shut down the Qatar Fertiliser Company (QAFCO) – the world’s largest single producer of urea, the most widely used nitrogen fertiliser. The Gulf supplies nearly half the world’s traded urea.

The shutdown arrived just as farmers were preparing to plant. Fertiliser that was not applied in March and April means smaller harvests this autumn and unstoppable food price rises over the winter – landing at the same moment that higher energy bills hit households from July.

The same shock is degrading pharmaceutical supply chains. Generic medicines make up 85% of NHS prescriptions and operate on razor-thin margins. Freight costs are running 45% above pre-war levels. Within months, medicines for chronic conditions – cardiovascular, diabetic, psychiatric – may become too expensive to supply. These are the daily medications on which millions of people depend.

The same petrochemical disruption is accelerating the collapse of European industry. UK chemical output had already fallen 30% from 2019. The UK’s last major ethylene cracker at Grangemouth is on government life support. Once it shuts, the country will have no domestic polymer production of scale. Facilities closing under current cost structures are unlikely to be able to attract the capital to reopen. There is a serious risk that the industrial base on which any future recovery depends is being permanently destroyed.

And the UK Government has already spent much its capacity to help. More than £100 billion went to supporting households through the 2022 energy crisis. That capacity is gone. Inflation is forecast at 4% for 2026, potentially above 5%, so the Bank of England cannot cut interest rates, let alone keep rising rates at bay. Raising rates pushes up mortgage costs for people already paying more for energy and food. The two instruments that governments normally use to soften a downturn – fiscal spending and central bank rate cuts – are being crunched at the same moment. There is no institutional cushion left.

This is Homer-Dixon’s ratchet in action. In 2022, every buffer available was deployed to cushion the crisis impacts, and the conditions were still destabilising. Governments could borrow. Central banks could lend. Households had savings. Industrial capacity was intact. The system buckled, but it held.

In 2026, the load is higher across every channel and every buffer has been depleted by the last crisis. Each failing system degrades the environment in which every other system must operate.

The Government’s inability to borrow at scale means it has limited means to cushion the coming food and energy shock. Industrial closures destroy the tax base and skilled employment that would fund recovery.

The food and energy price spikes, landing on a population with depleted savings, generate the political conditions – short-termism, demands for immediate relief, fragmented mandates – that make any longer term structural response difficult to sustain.

The crisis may well consume the political capacity that would be needed to solve it. The danger of looming synchronous failure is hanging over UK and European economies like heavy clouds ready to unleash the storm.