The 7-day training course will be held in suburbs of Kyiv for 40 youth leaders, youth workers, active volunteers from 6 countries of EECA region (Armenia, Azerbaijan, Georgia, Belarus, Moldova, Ukraine) and 11 programme countries (Bulgaria, Estonia, France, Germany, Ireland, Italy, the Netherlands, Poland, Spain, the United Kingdom, Turkey). Main topic of the training - sustainable lifestyle in everyday application. Main objectives: -to raise awareness of young people about importance of sustainability in our world and importance of joint efforts in tackling this issue;-to make participants aware of dramatic differences in understanding of sustainability and differences in its level of importance in people's life in various countries and cultures, in this way making them aware that in further educational efforts in different countries we will have different starting points;-to give to young people feeling of ownership over results: to make them realise that they can actively contribute to making our world more sustainable and safe in a very simple way - by changing some of their daily habits and daily routines;-to empower young people - in spreading the word on sustainable lifestyle among youngsters using non-formal educational activities; to build up participants' confidence in their strengths as messengers and educators, to provide them with knowledge and skills on non-formal education methods and techniques;-to develop tools which would make concept of sustainable lifestyle attractive, cool and fun to follow for youngsters;-to enable young people to develop their own educational modules which they will bring to their local communities and implement with youngsters living in rural and/or deprived urban areas;-to build up a network of sustainable development messengers which would allow participants to support each other. After training participants will implement and evaluate non-formal education activities on topic of sustainability in their countries.