Investigations of the interconnectedness of climate change with human societies require profound analysis of relations among humans and between humans and nature, and the integration of insights from various academic fields. An intersectional approach, developed within critical feminist theory, is advantageous. An intersectional analysis of climate change illuminates how different individuals and groups relate differently to climate change, due to their situatedness in power structures based on context-specific and dynamic social categorisations. Intersectionality sketches out a pathway that stays clear of traps of essentialisation, enabling solidarity and agency across and beyond social categories. It can illustrate how power structures and categorisations may be reinforced, but also challenged and renegotiated, in realities of climate change. We engage with intersectionality as a tool for critical thinking, and provide a set of questions that may serve as sensitisers for intersectional analyses on climate change.

It is urgent in science and society to address climate change and other sustainability challenges such as biodiversity loss, deforestation, depletion of marine fish stocks, global ill-health, land degradation, land use change and water scarcity. Sustainability science (SS) is an attempt to bridge the natural and social sciences for seeking creative solutions to these complex challenges. In this article, we propose a research agenda that advances the methodological and theoretical understanding of what SS can be, how it can be pursued and what it can contribute. The key focus is on knowledge structuring. For that purpose, we designed a generic research platform organised as a three-dimensional matrix comprising three components: core themes (scientific understanding, sustainability goals, sustainability pathways); cross-cutting critical and problem-solving approaches; and any combination of the sustainability challenges above. As an example, we insert four sustainability challenges into the matrix (biodiversity loss, climate change, land use changes, water scarcity). Based on the matrix with the four challenges, we discuss three issues for advancing theory and methodology in SS: how new synergies across natural and social sciences can be created; how integrated theories for understanding and responding to complex sustainability issues can be developed; and how theories and concepts in economics, gender studies, geography, political science and sociology can be applied in SS. The generic research platform serves to structure and create new knowledge in SS and is a tool for exploring any set of sustainability challenges. The combined critical and problem-solving approach is essential.

Urban Living Labs (ULL) are advanced as an explicit form of intervention delivering sustainability goals for cities. Established at the boundaries between research, innovation and policy, ULL are intended to design, demonstrate and learn about the effects of urban interventions in real time. While rapidly growing as an empirical phenomenon, our understanding of the nature and purpose of ULL is still evolving. While much of the existing literature draws attention to the aims and workings of ULL, there have to date been fewer critical accounts that seek to understand their purpose and implications. In this paper, we suggest that transition studies and the literature on urban governance offer important insights that can enable us to address this gap.

Innovations in urban governance such as Urban Living Labs (ULL) are expected to accelerate the transition towards more sustainable and climate-resilient cities. This article reviews different ULL across Europe and explores the role and potential capacity of municipalities in the development of and/or facilitation of ULL as a form of experimental governance. It focuses on the role of the public sector in the multi-actor collaborations that often characterize experimental governance. The article draws on literature on cities in sustainability, climate and environmental governance, and bridges this with political science literature on governance. Based on institutional theory that emphasizes roles, identities, and perceived and actual acting space, three functional roles for the municipality are singled outpromoter, enabler and partnerin a framework with a set of indicators that are used to analyse 50 case studies of ULL (http://www.urbanlivinglabs.net). The aim is to advance knowledge on how municipalities can facilitate urban sustainability through experimental governance.

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