The training programme of the TREE Erasmus+ project on circular economy and sustainable development to be used by vocational education schools in the project countries and beyond can be found here: https://treeproject.eu/general-part-circular-economy…/It is available in all partner languages. Being optimized at the moment, its contents may go through some refining, considering the target of the project to be an adequate provider of not only thematic educational materials but also such that correspond to the requirements for micro-learning.