Csiro and Australia’s food supply: a system under strain, and the people living with it
csiro sits inside a bigger warning about how Australia feeds itself. On one side are the farms, fisheries, supply chains, and supermarkets that keep food moving. On the other are the households deciding whether to buy groceries, skip meals, or go without. The tension between those two realities is now harder to ignore.
Australia has long been proud of its food production, with enough output to feed 75 million people and exports reaching 70 per cent of produce. But the country’s food security is no longer something that can be taken for granted.
Why is csiro part of a wider food security warning?
The pressures are stacking up. Intensifying climate change is putting agriculture and the food system at risk, while the government’s National Climate Risk Assessment last year showed food systems already face increased risks. Stronger and more frequent heatwaves, floods, droughts, and bushfires are taking a toll on farmers, livestock, crops, and fisheries.
Other risks are landing at the same time. Fuel and fertiliser shortages in the wake of the Iran war are driving up food prices. Increased competition for water in the Murray-Darling Basin, disruptions to supply chains, the dominance of major supermarkets, and the rising cost of food are all adding pressure to a system that once looked unusually secure.
For households, the strain is no longer abstract. In 2025, one in five households skipped meals or went whole days without eating. Australia also continues to struggle with nutrition: in 2022, 36 per cent of children and adolescents, and 56 per cent of adults, fell short of their daily fruit and vegetable intake. The picture is sharpened by the fact that 42 per cent of calories consumed come from ultra-processed foods, which can raise the risk of cancer, heart disease, and early death.
What is happening to farmers, food prices, and daily life?
The food system’s weaknesses are showing up across the country, and csiro is part of the broader scientific conversation around those risks. Farm productivity, after decades of growth, is now declining. The reasons named in the available evidence are more extreme climate variability, more plant and animal diseases, pressure on water supply and other resources, and related factors.
In practical terms, natural disasters can cut off crops or livestock from markets, and that disruption pushes prices higher. The impact is especially visible in Queensland, where more extreme flooding is already hitting farmers hard. In 2019, floods and sticky mud trapped and killed up to 500, 000 cows, a reminder that food security begins long before food reaches a shelf.
The supermarket end of the chain is also under scrutiny. Coles and Woolworths take 67 per cent of sales, making Australia’s supermarket sector one of the world’s most concentrated. That concentration has long been accused of keeping prices too high, leaving households to absorb the strain while producers face their own costs.
What can a stronger food system look like now?
The central issue is not only how much food Australia produces, but whether people can access safe, nutritious, and appropriate food at all times in a system that remains sustainable. That is the standard of strong food security, and the current evidence suggests the country is drifting away from it.
What is clear is that this is not one isolated problem. Climate shocks, supply chain pressure, water stress, supermarket power, and rising household hardship are interacting at once. That makes the challenge harder to solve, but also easier to recognize: Australia’s food security is a system issue, not a single-event crisis.
At the fence line, the pantry, and the checkout, the same question is now hanging over the country: if a nation that feeds millions cannot guarantee enough good food for its own people, what does resilience really mean?
