AgreenU is an online university which aim of is to give access to all the digital training on offer from the French agricultural and veterinary sciences research and education system via a single portal. This poses two challenges: - facilitate access to scientific, technical and vocational training of all learners who have no possibility of learning in formal education systems (distance, cost, etc.) - help to construct a skills ecosystem in France and in all countries which seek to support the development of sustainable agriculture to increase food security. It can be used as a complementary resources for students, teachers, researchers or any other person interested in agrosciences.