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A comprehensive examination of sustainable urbanism principles and practices and speculates about its future

In the last few decades, many European and American cities and towns experienced economic, social and spatial structural change. Strategies for urban regeneration include investments in infrastructures for production, consumption and communication, as well as marketing and branding measures, and urban design schemes. Bringing together leading academics from across a range of disciplines, including Douglas Kelbaugh, Ali Madanipour, Saskia Sassen, Gregory Ashworth, Nan Elin, Emily Talen, and many others, Emergent Urbanism identifies the specific issues dominating today's urban planning and urban.

Our cities are undergoing a rapid transformation of public spaces due to different factors, such as economic and cultural globalization, demographic transformations, marketing strategies, urban planning and design approaches, medialization reinterpretations, social networks, and others. The urban realm itself is the collection of public spaces and places—buildings, squares, streets, landscapes, and ecosystems, as well as processes, mindscapes, and people that make up and shape any environment. In that respect, urban planning and design is really characterized by two distinct processes that transubstantiate space and place: static and dynamic. This qualitative, reflective article discusses these issues, taking a standpoint from the notion of public space as a common good. This notion is discussed in relation to the factors that transform our cities and is analyzed in relation to the concept of public good. We reflect this discussion vis-à-vis the views of the leading paradigms in urban planning and design, and their intake on and outlook on these complex issues.

"For those who seek an urbanism of distinctiveness to enhance city livability, rather than a bland, generic uniformity, the book examines on a global basis how the many interrelated facets of an urban area's unique, yet dynamic context-built, cultural and intangible-can be championed and advanced, rather than simply borrowed from another place"--

For those who seek an urbanism of distinctiveness to enhance city livability, rather than a bland, generic uniformity, the book examines on a global basis how the many interrelated facets of an urban area's unique, yet dynamic context--built, cultural and intangible--can be championed and advanced, rather than simply borrowed from another place.

Christopher Alexander, who died in March 2022, was undeniably one of the most influential, if sometimes controversial, urban thinkers of the last half-century. From Notes on the Synthesis of Form, his first book and Harvard PhD thesis, to the landmark "A City is Not a Tree," to the classic best-sellers A Pattern Language and The Timeless Way of Building, to his more difficult and controversial magnum opus, The Nature of Order, Alexander has left a body of work whose breadth and depth is only now coming into view. Yet Alexander's legacy is also the subject of intense debate and critique within the planning and design fields. This introduction provides an overview of the thematic issue of Urban Planning titled "Assessing the Complex Contributions of Christopher Alexander." Its purpose is to provide greater clarity on where Alexander's contribution is substantial, and where there are documented gaps and remaining challenges. Most importantly, the thematic issue aims to identify fruitful avenues for further research and development, taking forward some of the more promising but undeveloped insights of this seminal 20th-century thinker.

We present evidence that New Urbanism, defined as a set of normative urban characteristics codified in the 1996 Charter of the New Urbanism, reached a seminal moment - in mission if not in name - with the 2016 New Urban Agenda, a landmark document adopted by acclamation by all 193 member states of the United Nations. We compare the two documents and find key parallels between them (including mix of uses, walkable multi-modal streets, buildings defining public space, mix of building ages and heritage patterns, co-production of the city by the citizens, and understanding of the city as an evolutionary self-organizing structure). Both documents also reveal striking contrasts with the highly influential 20th century Athens Charter, from 1933, developed by the Congrès Internationaux d'Architecture Moderne. Yet, both newer documents also still face formidable barriers to implementation, and, as we argue, each faces similar challenges in formulating effective alternatives to business as usual. We trace this history up to the present day, and the necessary requirements for what we conclude is an 'unfinished reformation' ahead.