An upcoming special issue of Sustainability will focus on ESD competencies from preschool to higher education and in non-formal and informal education. The special issue is calling for papers, with potential topics including, but not limited to, the integration of ESD competencies in policies, strategies and programmes, innovative pedagogical approaches to ESD competencies, curriculum developments, and processes and tools to assess ESD competencies. The deadline for manuscript submissions is 30 November, 2018. Further details can be found here.