Towards the Development of a Conceptual Framework of BioCities -- Urban sustainable futures: concepts and policies leading to BioCities -- Biodiversity and Ecosystem Functions as Pillars of BioCities -- Green Infrastructure and Urban Forests for BioCities: Strategic and Adaptive Management -- Mitigation and Adaptation for Climate Change: The Role of BioCities and Nature Based Solutions -- BioCities as Promotors of Health and Wellbeing -- Forests, Forest Products and Services to Activate a Circular Bioeconomy for City Transformation -- Innovative Design, Materials, and Construction Models for BioCities -- The Social Environment of BioCities -- From BioCities to BioRegions and Back: Transforming Urban-Rural Relationships -- The Enabling Environment for BioCities -- Towards BioCities - The Pathway to Transition.