This is the stark warning EFFP chief executive Siôn Roberts will deliver at the Food GB conference on 2 November.
The food industry was about to witness "a new paradigm" as climatic changes threaten the availability of basic resources for the first time in 50 years, he told The Grocer ahead of the conference.
Grain prices were up sharply on the last price spike just three years ago an unprecedented development, he said. This added "considerable weight to the projection of higher and more volatile agricultural prices in the future".
Farming and food industries in the Northern hemisphere would become increasingly important to global food production over the coming years, with the UK playing a particularly critical role, he added.