1. European Commission (2020) Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions: A Farm to Fork Strategy for a fair, healthy and environmentally-friendly food system COM/2020/381 final.
2. European Union (2017) Transition to Greener Rural Economies. European Network for Rural Development, Luxembourg https://enrd.ec.europa.eu/
3. Torquati B, Marchini A (eds) (2020) Green metamorphoses: agriculture, food, ecology. Proceedings of the LV Conference of SIDEA Studies. Wageningeen Academic Publishers, Wageningeen p 492. https://doi.org/10.3920/978-90-8686-898-8
4. United Nations (2014) Prototype Global Sustainable Development Report (Online unedited ed.). United Nations Department of Economic and Social Affairs, Division for Sustainable Development, New York http://sustainabledevelopment.un.org/globalsdreport/