The ultimate result of this consultancy is to produce a step-by-step playbook and associated methodology to formulate and implement smart city strategies and leverage digital tools and data that promote a people-centred approach to climate action. The objective for this work is to (a) align with the International Guidelines on People-Centred Smart Cities and the Global Digital Compact, within the field of climate action; (b) showcase how digital technologies and data support sustainable climate-smart urban development, urban resilience and crisis management; (c) provide practical methodologies, frameworks, and case studies at the intersection of technology, climate action and sustainable urban development; and (d) offer actionable recommendations for local governments and stakeholders.