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p>Understanding play as a social catalyst and an influential factor in defining public space, urban life is shaped by diverse individuals of different ages, cultures, ideologies, interests, classes, and social groups. Thinking about how play inhabits cities means thinking about all generations, and about the need to build public spaces with urban equipment designed to last and be maintained over time.

The performance of play structures invites us to review the different stages of their life cycle alongside their impact on shaping the urban environment. Analyzing the life cycle of urban play equipment involves understanding everything from materials, durability, and maintenance to the role of certifications and technologies applied in their production process, within environments that are increasingly conscious of their environmental impact.

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Play represents a key opportunity for children to acquire skills and knowledge in a natural and engaging way. Among the key innovations in early childhood and primary education, play stands out as a central axis of the learning process, serving as a fundamental pedagogical principle to achieve educational goals. Combining play with outdoor learning fosters exploration, experimentation, sensory stimulation, and motor development during childhood.

Featuring diverse materials, designs, and dynamics, the playground equipment represented by Urbanplay fosters open, spontaneous interactions, providing children with spaces to take risks, explore, and connect with nature.

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As climate instability reshapes design priorities, architecture is increasingly drawn into ecological debates not as a spectator but as a participant. Among the concepts gaining traction is rewilding, a practice rooted in the restoration of self-sustaining ecosystems through the reintroduction of biodiversity, the removal of barriers, and the rebalancing of human presence in the landscape. Though often associated with conservation biology, rewilding also opens up new spatial and architectural imaginaries — ones that challenge conventional notions of permanence, authorship, and use.

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From greenhouse gas emissions and air pollution to deforestation, one of the leading contributors to global warming today is emissions from the transportation sector. Exploring its origins and evolution, as well as the major challenges it faces, the development of electric mobility in urban environments represents a global transition that requires a coordinated mix of policies and actions to achieve cleaner and more sustainable transportation systems. Designing safe and comfortable infrastructure for walking and cycling, promoting public transit and shared mobility, and designing more efficient streets that include electric vehicles, among other actions, are part of a growing worldwide effort to reduce carbon emissions.

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Kristin Feireiss, the German architecture curator, writer, and editor, passed away on April 20, 2025. With a career spanning over four decades, Feireiss played a significant role in promoting international public discourse on architecture, urban development, and social change.

Born in 1942, Feireiss studied art history and philosophy at Johann Wolfgang Goethe University in Frankfurt. In 1980, she co-founded the "Aedes Architecture Forum" in Berlin with Helga Retzer, establishing Europe's first private architecture gallery. After Retzer's passing in 1984, Feireiss continued to develop Aedes into an internationally recognized platform. Since 1994, in collaboration with Hans-Jürgen Commerell, she curated over 350 exhibitions and catalogues, expanding the forum's reach and impact. In 2009, the duo also founded "ANCB The Aedes Metropolitan Laboratory," which received the German Innovation Prize in 2010.

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Copenhagen was founded around the 11th century, from a small fishing village called "Havn" (harbor), which served as a strategic point for trade and navigation. Over time, this settlement transformed into an industrial city and eventually became the capital of Denmark. Though small in size, Copenhagen exerts significant global influence as a model of urban living. Spread across two islands, it is recognized as one of the most livable cities in the world, compensating for its modest size with an imposing character, reflected in its vibrant urban life and a skyline punctuated by historic towers, low-rise buildings, and a mix of old and modern architecture.

For decades, the construction industry followed a familiar rhythm: design came first, materials followed. The pressing need for sustainable buildings has shattered this routine. Material selection is no longer an afterthought, but a critical decision made at the outset, with the potential to dramatically reduce a project's environmental footprint. This shift is even more crucial given the construction industry's appetite for raw materials – a staggering 3 billion tons extracted annually. To navigate this new landscape, digital material libraries and data-driven evaluation are emerging as powerful tools, creating a culture where materiality takes center stage to shape a more sustainable built environment.

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Nowadays bicycles are not only used for sports or as a recreational activity, as more and more people are choosing bicycles as their main means of transportation. Architecture plays a fundamental role in promoting the use of bicycles, as a properly equipped city with safe bicycle lanes, plentiful bicycle parking spots, and open areas to ride freely will encourage people to use their cars much less.

Cities are now positioning themselves as a key promoter of sustainable mobility, and Denmark and the Netherlands are currently the leading countries in the field of architecture for bikes. They are considered a cyclist's paradise because of their excellent infrastructure and architecture, making them a worldwide reference.

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In the Brazilian architectural scene, Felipe Savassi stands out for being a unique mix of designer and communicator. He shares his passion for architecture and his entrepreneurial vision with his thousands of students and followers on social media, with content that seeks to promote an approach centered on the promotion of industrialized and modular construction. With a degree in Architecture and Urbanism from the Isabela Hendrix Institute in Belo Horizonte, his professional activity is supported by four essential pillars: design and execution of architectural projects, education, mentoring and consulting, and a strong commitment to communication and content dissemination.

This article was originally published on Common Edge.

Chinese temples have stood for centuries, battered by wind and earthquakes, without a crack or timber out of place. They employ an ancient technique called “bracket set construction” that requires no nails or metal parts to connect wooden structural elements. Scandinavian stave churches are nearly as durable. Unsurprisingly, there are plenty of trees in Sweden and all over China.

So what is with the hype about innovation in “mass timber” construction over the past few years? As Boyce Thompson argues in his thoughtful new book, Innovations in Mass Timber: Sequestering Carbon with Style in Commercial Buildings (Schiffer Publishing), this will be the next big thing in “green” tech for architects feeling guilty about their costly titanium skins and outsized carbon footprints. The color photos show some impressive buildings in places where the wood industry has always been healthy, such as the Pacific Northwest and Scandinavia. The Japanese build log cabins with imported material that might as well be gold.

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Copenhagen was founded in the 12th century and has undergone numerous transformations to establish itself as an urban benchmark of the 21st century. Its dynamic urban environment stands as an exemplar of architecture's importance and crucial role in shaping a sustainable future for cities. Confronting global challenges like mobility, urban development, and eco-friendly construction, the city is an inspiring model. This is why in 2023, the Danish city was named the World Architecture Capital by UNESCO-IUA, positioning Copenhagen as a platform for discussions on climate, sustainable solutions, and livability.

In this context, Danish architects such as Anders Lendager have been asked about their perception and interaction with their favorite places in the city, providing valuable insight into what makes Copenhagen unique. Lendager, the CEO and founder of Lendager Group, has been the designer behind eco-village projects, the Danish Pavilion in Milan, and a skyscraper built from recycled materials. Collectively, these projects showcase the capacity to translate the core principles of sustainable cities into tangible components, prioritizing human well-being and fostering circular economy models.

At first glance, building a pool right beside another body of water seems a little redundant. After all, why would someone choose to swim in a pool when they have a river or ocean to enjoy? However, for people with limited mobility and younger more inexperienced swimmers, natural bodies of water can prove both daunting and dangerous. Pools not only provide a controlled, secure space for them to enjoy aquatic activities, they also provide a connection with the surrounding landscape.

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This year, the UIA World Congress of Architects gathers professionals from the construction industry to the Danish Capital to discuss and promote more sustainable ways of practicing architecture. This edition of the congress, happening between July 2^nd and 6^th, is centered around the UN 17 Sustainable Development Goals, highlighted by the overarching theme “Sustainable Futures – Leave no one Behind.” The world’s largest architecture congress offers a vast program of keynote dialogues, new findings presented on the science track, Next Gen sessions, workshops, exhibitions of new materials, and political talks. The packed schedule also includes the Obel Award Talks on the theme “Wellbeing Through Architecture”, Velux Daylight Talks, and Realdania Talks.

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The key to successfully designing or recovering public spaces is to achieve a series of ingredients that enhance their use as meeting places. Regardless of their scale, some important tips are designing for people's needs, the human scale, a mix of uses, multifunctionality and flexibility, comfort and safety, and integration to the urban fabric.

To give you some ideas on how to design urban furniture, bus stops, lookouts, bridges, playgrounds, squares, sports spaces, small parks, and urban parks, check out these 100 notable public spaces.