Urban Metabolism and Ecological Management Urbanization Is the One of the Most Evident Forms of Anthropization

G. LIU, M. CASAZZA, CASAZZA, M. LIU, G. Z. YANG and YANG Z. Current Natural Sciences ULGIATI S. Current Natural Sciences ECOLOGY Urban Metabolism and Ecological ECOLOGY Management Vision, tools, practices and beyond Gengyuan LIU, Marco CASAZZA, Zhifeng YANG and Sergio ULGIATI Urban Metabolism and Ecological Management Urbanization is the one of the most evident forms of anthropization. With most of the world population living in cities, the need of Gengyuan LIU, Marco CASAZZA, Zhifeng YANG thinking about a more sustainable urban lifestyle has become an imperative. This is why present and future generations of scholars, and Sergio ULGIATI urban managers and policy makers should be prepared to work together to support the reduction of impacts generated by urban activities, while pursuing the goal of an equitable and sustainable well-being within the planetary boundaries. In this respect, the use of different methods and tools can support the implementation of roadmaps and policies. Besides that, different communication Urban Metabolism and Ecological languages can be used to enhance the development of a shared reflective vision about the future of cities among citizens, as major actors of the urban life and its transformation. Management This book provides an accessible overview of some key methods Vision, tools, practices and beyond to deal holistically with the analysis of urban resources flows to readers with an interest in the academic or professional reference of the different approaches for studying urban metabolism. It presents some of the most important tools along with relevant case studies to illustrate their potential application. Experts in the field and holding the belief that visions and hopes trigger decisions and behaviors beyond the knowledge, the authors introduce readers to the use of different art-based methods to engage with citizens towards a common outlook on the future of our cities. The book also offers an enhanced reading experience by featuring a soundtrack, composed by one of the authors and available through the QR code at the beginning of each chapter. ISBN : 978-2-7598-2519-6 www.edpsciences.org 9 782759 825196 G. LIU, M. CASAZZA, CASAZZA, M. LIU, G. Z. YANG and YANG Z. Current Natural Sciences ULGIATI S. Current Natural Sciences ECOLOGY Urban Metabolism and Ecological ECOLOGY Management Vision, tools, practices and beyond Gengyuan LIU, Marco CASAZZA, Zhifeng YANG and Sergio ULGIATI Urban Metabolism and Ecological Management Urbanization is the one of the most evident forms of anthropization. With most of the world population living in cities, the need of Gengyuan LIU, Marco CASAZZA, Zhifeng YANG thinking about a more sustainable urban lifestyle has become an imperative. This is why present and future generations of scholars, and Sergio ULGIATI urban managers and policy makers should be prepared to work together to support the reduction of impacts generated by urban activities, while pursuing the goal of an equitable and sustainable well-being within the planetary boundaries. In this respect, the use of different methods and tools can support the implementation of roadmaps and policies. Besides that, different communication Urban Metabolism and Ecological languages can be used to enhance the development of a shared reflective vision about the future of cities among citizens, as major actors of the urban life and its transformation. Management This book provides an accessible overview of some key methods Vision, tools, practices and beyond to deal holistically with the analysis of urban resources flows to readers with an interest in the academic or professional reference of the different approaches for studying urban metabolism. It presents some of the most important tools along with relevant case studies to illustrate their potential application. Experts in the field and holding the belief that visions and hopes trigger decisions and behaviors beyond the knowledge, the authors introduce readers to the use of different art-based methods to engage with citizens towards a common outlook on the future of our cities. The book also offers an enhanced reading experience by featuring a soundtrack, composed by one of the authors and available through the QR code at the beginning of each chapter. ISBN : 978-2-7598-2519-6 www.edpsciences.org 9 782759 825196 Current Natural Sciences Gengyuan LIU, Marco CASAZZA, Zhifeng YANG and Sergio ULGIATI Urban Metabolism and Ecological Management Vision, tools, practices and beyond This book is funded by the Fund for Innovative Research Group of the National Natural Science Foundation of China (51721093) and the National Key R&D Program of China (No. 2016YFC0502800). This book was originally published by Science Press, © Science Press, 2020. Printed in France EDP Sciences – ISBN(print): 978-2-7598-2519-6 – ISBN(ebook): 978-2-7598-2520-2 All rights relative to translation, adaptation and reproduction by any means whatsoever are reserved, worldwide. In accordance with the terms of paragraphs 2 and 3 of Article 41 of the French Act dated March 11, 1957, “copies or reproductions reserved strictly for private use and not intended for collective use” and, on the other hand, analyses and short quotations for example or illustrative purposes, are allowed. Otherwise, “any representation or reproduction – whether in full or in part – without the consent of the author or of his successors or assigns, is unlawful” (Article 40, paragraph 1). Any representation or reproduction, by any means whatsoever, will therefore be deemed an infringement of copyright punishable under Articles 425 and following of the French Penal Code. The printed edition is not for sale in Chinese mainland. Customers in Chinese mainland please order the print book from Science Press. ISBN of the China edition: Science Press ISBN: 978-7-03-066166-1 © Science Press, EDP Sciences, 2021 Preface i 1SFGBDF The world is facing an urgent need for economic, social and environmental transformation, requiring huge efforts for pursuing a sustainable future. In 2015, all 193 United Nations (UN) member States adopted the Agenda 2030 with its 17 Sustainable Development Goals (SDGs) — a comprehensive framework comprising many potentially diverging policy goals and aspiring for transformative change in the economic, social, and environmental challenges. These challenges are strongly interlinked, in fact, SDGs are expected to be mutually supportive and need buy-in from all nations. This means that governance processes across multiple sectors, stakeholders and countries are critical and long-term social and economic improvement will need closer attention to be paid to the environment. Meanwhile, great efforts must be made to reduce or change human use of geophysical resources (such as energy, materials or land) to prevent severe ecological degradation and mitigate climate change effects. Climate action is explicitly addressed by SDG13, and is expected to impact almost all aspects of sustainable development, so it is necessary to understand how action to address climate change could reinforce or undermine the other SDGs, and vice versa. A quantitative and comprehensive research is therefore mandatory to link the social, economic and environmental fields, aiming at guiding and monitoring the progress to sustainable levels. At the core of sustainable development science is therefore the need to understand the interactions between Society and Nature, how these interactions change over time and how they will be likely affected in the next future. Metabolic research is an effective system approach for analysing the physical exchange process (material and energy flow) between human society and its natural environment as well as the material and energy flow within human society, and their impacts to the natural environment. SDGs framework introduced a set of detailed monitoring indicators related to metabolism, such as domestic material consumption (DMC), material footprint (MF), resource efficiency, and so on, while scholars from different backgrounds have developed various research strands of socio-metabolic approaches. SMR is based on the assumption that social systems and ecosystems are complex systems that can replicate themselves, affect each other, and develop together over time. System components at different scales tend to act and influence each other by nesting within another. Moreover, scale matters in a wide variety of aspects of driving forces, impacts, and responses to sustainable development challenges, because it is directly related to how and where governance decisions are made. This requires new approaches to multi-scale actions, as far as cross-scale innovative co-management structures can promote sustainable development. As a matter of fact, local decision-making is ii Urban Metabolism and Ecological Management influenced by regional policies, which in turn affects global politics and economy, rising from local to larger scales, and the decisions in turn affect sustainable development: what happens to sustainability at one scale affects sustainability at other scales. As an increasing number of people and human activities are concentrated in cities, with more than 55.3% of the world population living in urban areas, thus cities bring significant and increasing economic contribution to their economies. More and more researches are focused on the urban-scale operation and functioning. However, the environmental issues of cities extend outside the urban boundaries, not only involving multiple dimensions, but also

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