The Global Centre of Excellence on Climate Adaptation (GCECA) was founded by the Government of the Netherlands with United Nations Environment Programme (UNEP), NIES Japan and the Philippines. GCECA, hosted in Groningen and Rotterdam, was launched at UN Climate Summit COP 23 on 14 November 2017. During COP 23, the Centre organised a side event, "What is Excellence in Climate Adaptation?" and supported the launch of the "UN Environment Adaptation Gap Report 2017: Towards Global Assessment"