The Sustainable Development Forum Green Window (Forum za održivi razvoj Zeleni prozor) is based in Zagreb and aims to promote sustainable development, public advocacy of nature protection, environmental and human rights, and the education of citizens, especially young people, on these issues.
Green Window works on achieving a free, democratic, pluralistic, tolerant, socially just and nonviolent society and endeavors to foster links and cooperation with other related associations and initiatives in Croatia and elsewhere in Europe.