DOOR is a civil society organization of experts devoted to the promotion of sustainable energy development, founded in 2003. They have successfully implemented more than 75 projects with goals ranging from climate change mitigation, encouraging citizens’ participation in sustainable energy policy-making, improving education about renewable energy sources and alleviating energy poverty.

Within their projects they have organized more than hundred workshops, round tables, trainings, conferences and other public events attended by several thousand participants, they have published a dozen manuals, organized a number of study trips and established continuous cooperation with numerous organizations from Croatia and abroad.

DOOR cooperates with numerous Croatian and foreign organizations active in environment protection, education, social services, rural development, renewable energy sources, energy efficiency. They work with civil society organizations, local and national authorities, schools, universities, institutes, agencies and other stakeholders.