edited by Institut de l’économie circulaire, Parigi www.institut-economie-circulaire.fr   21st century agricultural and agri-food systems are facing unprecedented challenges. The planet’s 7.5 billion inhabitants must be fed, with a need for better food quality at affordable prices, and the difficulty of supplying growing cities. Bio-based products are also needed for a more sustainable supply of other uses, including energy or raw materials. At the same time, natural resources essential to production grow scarce: water supplies are over-used or polluted and agricultural lands are declining in both availability and quality. Production is also impacted by global warming, and the sector must reduce its own greenhouse gas emissions. How can we aim for a food and non-f...