Multi-level participation in integrative, systemic planning: The case of climate adaptation in Ghana.

•Climate adaptation can be impeded by disconnects between different stakeholders group.•This is especially problematic when working across local-to-national policy levels.•A multi-level integrated planning and implementation (MIPI) process is presented.•Enhanced trust and mutual understanding enable integrative systemic analysis.•A trial of the MIPI process in Ghana successfully overcame problematic disconnects.