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Urban redevelopment: transforming the city for a sustainable future

February 2024

The concept of ‘urban redevelopment’ is rooted in the need to address the challenges associated with the growth and development of cities, with the aim of creating healthier, sustainable and socially inclusive urban environments. In fact, ‘urban redevelopment’ is defined as the process of improving and transforming urban spaces in order to make cities more efficient, sustainable, aesthetically pleasing and functional.

Significance and impact of urban redevelopment

This concept is based on the idea of improving the quality of life of urban dwellers, reducing insecurity, promoting environmental sustainability and preserving cultural heritage. In this article, we will explore this fascinating and complex topic, focusing on the importance of urban sustainability in this context of continuous change and progress.

The evolution of urban spaces in history

Social and cultural dynamics constantly influence the form and functions of the city, leading to its continuous reshaping.

“Redevelopment,” intrinsic to the word “qualification,” implies an improvement and restoration of urban spaces that are considered obsolete or degraded. This practice, although it has always existed, became particularly relevant in the last century with the challenges of population expansion, obsolescent infrastructure and the need for more sustainable environments. Finally, in the last decades of the 20th century, industrial cities confronted the “urban voids” left behind by 19th- and early 20th-century industries. These voids, due to changes in production and economic structure, posed challenges to urban planners and designers.

Among the iconic examples of urban redevelopment is undoubtedly the High Line in New York City, a former elevated railroad transformed into a pedestrian walkway and green space. In this context, urban redevelopment is not only a response to the physical needs of the city, but also a sustainable urban development strategy, in which sustainable urban planning plays a crucial role. The transformation of “urban empty spaces” into green and pedestrian areas reflects the importance of sustainable architecture in promoting a balanced urban environment.

Iconic urban redevelopment projects: New York's High Line:

New York’s famous High Line, an elevated pedestrian walkway in the heart of Manhattan, is a successful example of urban redevelopment. Indeed, the project, designed by architects Piet Oudolf, James Corner and Charles Renfro, transformed an old disused branch of the railroad, saving the infrastructure from demolition and redefining its urban and social significance.

Vauban in Freiburg: a shining example of urban sustainability and soft mobility

Finally, examples such as the Vauban neighborhood in Freiburg, Germany, highlight the success of sustainability-oriented projects with low-impact construction and promotion of public transport and soft mobility.

Citylife neighborhood in Milan: a model of sustainability and innovation

The centrality of green spaces and sustainable mobility is a dominant theme in modern urban redevelopment. An all-Italian example of the importance of these issues is the Quartiere delle Torri in Milan-in the famous Citylife-where a large industrial area has been transformed into a district surrounded by green

The urban redevelopment project focused on green areas, multi-purpose public areas, private residences, and towers occupied by business centers of major multinational corporations. The buildings are energy-efficient, reducing carbon emissions, and the green areas encourage soft mobility and public transportation, decreasing car use.