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In a stark warning to the British government, Professor Tim Lang, a prominent food policy expert, has called for immediate action to stockpile food supplies in anticipation of potential climate-related disasters or geopolitical conflicts. He emphasises that the UK’s alarming dependence on food imports renders it particularly susceptible to crises that could jeopardise the nation’s food security.
Alarming Self-Sufficiency Statistics
According to the first UK Food Security Report published in December 2021, the nation currently achieves only 54% food self-sufficiency. This is in stark contrast to other affluent nations such as the United States, France, and Australia, which are capable of producing sufficient food to meet their populations’ needs without relying heavily on imports. Countries such as the Netherlands and Spain boast self-sufficiency rates of 80% and 75%, respectively, highlighting the UK’s precarious position within Europe.
“Current government thinking on food security is inadequate,” Professor Lang remarked during his address at the National Farmers’ Union conference in Birmingham. He pointed out the inherent danger in the British government’s belief that other countries will always be able to supply its food needs, saying, “This mindset is embedded in the system of agrifood capitalism in Britain. Other nations are taking proactive steps to prepare for future challenges; we, on the other hand, are exposing ourselves to vulnerabilities.”
The Case for Stockpiling
Lang highlighted that many nations maintain emergency stockpiles of food to prepare for war, natural disasters, or food contamination incidents. For instance, Switzerland has a stockpile sufficient to sustain its population for three months, with plans to extend this to a year. In contrast, the UK government’s guidance suggests households should keep only three days’ worth of food in stock.

The lack of a clear strategy to boost self-sufficiency has raised concerns among experts, particularly as production figures for essential staples like wheat, beef, poultry, and vegetables have all decreased over the past year. A minor disruption in food supplies could lead to significant social unrest, with some analysts warning of potential food riots.
Concentrated Supply Chains Raise Risks
Professor Lang’s report for the National Preparedness Commission revealed the vulnerability of the UK’s food supply chain, which is dominated by a few large corporations. The country’s 12,284 supermarkets are primarily supplied by just 131 distribution centres. This reliance on a limited network creates a precarious situation, especially considering the potential for cyber or drone attacks targeting these critical points.
“The reality of the situation is clear: the top nine retailers account for an astounding 94.5% of all retail food in the UK, and with just 131 distribution centres, the system is an easy target,” Lang explained. He noted that Tesco alone operates through only 20 distribution points, stating, “Any disruption to these major retailers would have catastrophic repercussions for the public.”
The Role of Brexit and Climate Change
The aftermath of Brexit has further complicated the UK’s food security landscape, diminishing subsidies for local farmers and complicating food imports from the European Union, its largest trading partner. An analysis from the University of Sussex revealed an average decline of 8.71% in agrifood imports from the EU since January 2021 compared to the pre-Brexit period.

As climate change continues to ravage agricultural production in southern Europe and North Africa, the UK’s reliance on foreign imports for essential fresh produce poses a significant risk. The UK Health Security Agency warns that if current trends persist, by 2050, a staggering 52% of legumes and 47% of fruit would need to be sourced from climate-vulnerable countries, threatening the nation’s ability to meet dietary recommendations.
A Call for Legislative Action
In his address, Professor Lang urged the government to enact a Food Security and Resilience Act to fortify the UK’s food systems against potential shocks. He argued that the existing model, which prioritises efficiency over resilience, is no longer sustainable. “The focus must shift from merely profits to the fundamental purpose of food systems—feeding people effectively, especially in times of crisis.”
Lang concluded by advocating for an increase in domestic food production, asserting, “We possess ample arable land and resources; it is nonsensical not to leverage these assets for our food needs. However, we are currently lacking the necessary leadership from the central government.”
Why it Matters
The call for enhanced food security resonates deeply within the context of an increasingly unpredictable world. With climate change, geopolitical tensions, and economic challenges looming, the UK’s reliance on imported food is a precarious position that demands immediate attention. Ensuring that the nation can sustain itself in times of crisis is not merely a matter of policy; it is a fundamental obligation to protect the health and wellbeing of its population. Addressing these vulnerabilities now will be crucial in safeguarding the future of food security in the UK.