From satellites observing Earth, to roots and the microbes that surround them: Today we are looking at soil and how our food security depends on its health. Our ‘crop’ of guests, all of whom have been funded by the Horizon 2020 programme, are here to help us understand how waste, fertiliser, soil protection and remote monitoring all interconnect: A researcher at the Swiss Federal Institute of Technology in Zurich, Tania Galindo-Castañeda’s focus is on how the root anatomy and architecture of maize affect the impact microbes in the soil have on the plant. Frank Rogalla is director of innovation at Aqualia, a private provider of water services supplying 45 million people in 17 countries. His focus is on not wasting one drop of water, to which end he fuels his car with waste water. Frank is interested in recovering fertilisers to grow food and avoid pollution. Juan Suarez is looking at how to make the most of Earth observation technologies, such as satellite imagery, to improve food security and sustainable development. Juan is a senior manager at the Spanish company GMV. For more info on the projects featured, visit: https://europa.eu/!BBMgjg

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