By 2050 9 billion people will have to be supplied with healthy food, while water and minerals become scarcer. In addition, more and more people are moving to the cities, which means that there is less space for agriculture. The Horticulture top sector must offer innovative, sustainable solutions for achieving higher values and reduced consumption, thereby contributing to food security, food safety and a healthier world. As a sustainable urban delta, The Netherlands is truly unique worldwide. Throughout the world cities are increasingly faced with the devastating effects of climate change, an immense urbanisation flow and the continuing importance of welfare and well-being.