A model developed by Anglia Ruskin University’s Global Sustainability Institute and supported by the British government’s Foreign Office projects that society will collapse by 2040 due to catastrophic food shortages. The study does not account for society reacting by changing global behaviors.“We ran the model forward to the year 2040, along a business-as-usual trajectory based on ‘do-nothing’ trends — that is, without any feedback loops that would change the underlying trend.