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The challenges of integrated approaches and equity in water resources management have been well researched. However, a clear division exists between scholars working on equity and those working on integration, and there is remarkably little systematic analysis available that addresses their interlinkages. The divide between these two fields of inquiry has increased over time, and equity is assumed rather than explicitly considered in integrated approaches for water resources management. Historically, global debates on water resources management have focused on questions of distributional equity in canal irrigation systems and access to water. This limited focus on distributional equity was side-lined by neoliberal approaches and subsequent integrated approaches around water resources management tend to emphasize the synergistic aspects and ignore the political trade-offs between equity and efficiency. The interlinkages among equity, sustainability, and integration need deeper and broader interdisciplinary analysis and understanding, as well as new concepts, approaches, and agendas that are better suited to the intertwined complexity of resource degradation.

Article

Framing and dealing with complexity are crucially important in environment and human health science, policy, and practice. Complexity is a key feature of most environment and human health issues, which by definition include aspects of the environment and human health, both of which constitute complex phenomena. The number and range of factors that may play a role in an environment and human health issue are enormous, and the issues have a multitude of characteristics and consequences. Framing this complexity is crucial because it will involve key decisions about what to take into account when addressing environment and human health issues and how to deal with them. This is not merely a technical process of scientific framing, but also a methodological decision-making process with both scientific and societal implications. In general, the benefits and risks related to such issues cannot be generalized or objectified, and will be distributed unevenly, resulting in health and environmental inequalities. Even more generally, framing is crucial because it reflects cultural factors and historical contingencies, perceptions and mindsets, political processes, and associated values and worldviews. Framing is at the core of how we as humans relate to, and deal with, environment and human health, as scientists, policymakers, and practitioners, with models, policies, or actions.

Article

Stephan Pauleit, Rieke Hansen, Emily Lorance Rall, Teresa Zölch, Erik Andersson, Ana Catarina Luz, Luca Szaraz, Ivan Tosics, and Kati Vierikko

Urban green infrastructure (GI) has been promoted as an approach to respond to major urban environmental and social challenges such as reducing the ecological footprint, improving human health and well-being, and adapting to climate change. Various definitions of GI have been proposed since its emergence more than two decades ago. This article aims to provide an overview of the concept of GI as a strategic planning approach that is based on certain principles. A variety of green space types exist in urban areas, including remnants of natural areas, farmland on the fringe, designed green spaces, and derelict land where successional vegetation has established itself. These green spaces, and especially components such as trees, can cover significant proportions of urban areas. However, their uneven distribution raises issues of social and environmental justice. Moreover, the diverse range of public, institutional, and private landowners of urban green spaces poses particular challenges to GI planning. Urban GI planning must consider processes of urban change, especially pressures on green spaces from urban sprawl and infill development, while derelict land may offer opportunities for creating new, biodiverse green spaces within densely built areas. Based on ample evidence from the research literature, it is suggested that urban GI planning can make a major contribution to conserving and enhancing biodiversity, improving environmental quality and reducing the ecological footprint, adapting cities to climate change, and promoting social cohesion. In addition, GI planning may support the shift toward a green economy. The benefits derived from urban green spaces via the provision of ecosystem services are key to meeting these challenges. The text argues that urban GI planning should build on seven principles to unlock its full potential. Four of these are treated in more detail: green-gray integration, multifunctionality, connectivity, and socially inclusive planning. Considering these principles in concert is what makes GI planning a distinct planning approach. Results from a major European research project indicate that the principles of urban GI planning have been applied to different degrees. In particular, green-gray integration and approaches to socially inclusive planning offer scope for further improvement In conclusion, urban GI is considered to hold much potential for the transition toward more sustainable and resilient pathways of urban development. While the approach has developed in the context of the Western world, its application to the rapidly developing cities of the Global South should be a priority.