The world’s population will increase to around 10 billion people by 2050. To feed everyone, we need the earth’s food resources, but these are already at their limit. Climate change and its consequences are making it increasingly difficult for agriculture to produce the required quantities of food. And the situation will become even more acute in the future. In our two-part documentary, Harald Lesch looks for answers to the question: How can agriculture, science and politics work together to secure our food supply sustainably?