Mikser Festival and Dorcol based IT hub Levi 9 are inviting programmers, designers, people who are working in the field of environmental protection, sustainable development and all those who share interest in the festival thems, to participate in the Change Challenge Hackathon and offer solutions which can positively affect people’s habits that directly or indirectly threaten the environment and the health of those living in contemporary cities. During the festival, teams will be working non-stop on creating their technological innovations –software on above-mentioned themes. Carefully selected mentors will direct the teams towards the global goals of sustainable development. By the end of the third day, every team will present their solutions on the festival’s main stage in front of an expert jury who will rate the ideas, direct teams to potential partners for realization and the best team will be awarded valuable prizes.