SUSTAIN E+ will train professionals working with the Erasmus + programme to become more environmentally friendly in their self-practice. The project addresses an issue that fundamentally requests transnational cooperation at the EU level, as the idea is based on achieving a sustainable and circular way of implementing EU projects, and is especially linked to education and the Erasmus + programme. Thanks to Sustain E+, professional working with Erasmus + will be able to better evaluate their environmental impact, decrease it, and by extension will raise awareness of all Erasmus participants on their behaviours promoting sustainable actions.