What we know about Carlo Ratti’s Biennale, pavilion by pavilion

With Carlo Ratti’official unveiling, more details have been revealed about this year’s Biennale, which will focus on climate change and feature four new pavilions.

“Intelligens. Natural. Artificial. Collective.” This is the title of the 19th. International Architecture Exhibition at the Venice Biennale 2025 curated by Carlo Ratti, which opens on 10 May and which, as usual, will take place in the Arsenale area, in the Giardini and in a series of side events scattered around the city.

The word 'intelligens', as Carlo Ratti has already explained, alludes to a double meaning: on the one hand, it emphasises the reference to the gens (i.e. to humans), and on the other, it aims at the combination of the three intelligences on which this edition is based: natural, artificial and collective intelligence. 

But the protagonist of the Biennial's inaugural conference was not AI, as one might have expected, but climate change. In the light of the events that have hit Los Angeles and Valencia this year, Venice, "the most vulnerable city from a climatic point of view", says Ratti, is becoming a laboratory for research and design of the places of the future. "The first fundamental question is: what will the climate be like in 2050? Or even 2150? This is the starting point for everything we do in architecture."

Pietrangelo Buttafuoco and Carlo Ratti. Photo Andrea Avezzù

With the central pavilion of the Giardini, historically the site of the "Curator's Exhibition", closed for renovation, Ratti will be using the spaces of the Corderie in the Arsenale to host projects that address issues of sustainability and design intelligence. These include a project by Kengo Kuma, humanoid robots that will change the future of construction, and new materials from around the world. 

This year, the Biennale will also take place in the city, with projects by the Norman Foster Foundation and Diller Scofidio + Renfro on the theme of water, which is central to Venice.

The partnership between the Biennale and the V&A in London, consolidated over the last nine years, is renewed with the exhibition "On Storage". "Margherissima", in Mestre, which focuses on the Marghera area and the contaminated land near the Ponte della Libertà. 

Finally, we can't forget the national pavilions in the Biennial gardens, with 4 new participants: the Republic of Azerbaijan, the Sultanate of Oman, Qatar and Togo. Some of the participating countries have already revealed what we can expect from the installations in this edition. 

Italian Pavilion

The project "Terræ Aquæ. Italy and the Intelligence of the Sea" by Guendalina Salimei has been chosen to curate the Italian Pavilion. The Ministry of Culture asked for a "particularly innovative and unconventional vision", and indeed Salimei offers a completely different perspective to the one we are used to: instead of looking at the sea from the land, she proposes to look at the land from the sea.

Like Carlo Ratti, Salimei has launched an open call to architects and other experts to gather contributions on rethinking the relationship between land and sea in coastal and port areas. She has already explored these themes in her recent development of Messina's new waterfront.

Rooted in her work as a designer and professor, her approach invites participants to imagine the 'shape of the sea', offering new insights for future projects. More details are expected to be revealed in March.

Germany

Germany Pavilion at Architecture Biennale of Venice 2023 ©ARCH+_SUMMACUMFEMMER_BUERO_JULIANE_GREB, 2023

"The world stands at a crossroads. It seems like all of its systems have become stressed simultaneously – including our cities. In extreme weather events, the vulnerability of urban spaces becomes very apparent." These opening words introduce the German Pavilion, known for its consistently thought-provoking projects at previous Biennales. "StressTest will focus on concerns about climate change and allow visitors to experience extreme heat first-hand, reinforcing the urgency of action. At the same time, the exhibition will present solutions for resilient urban planning.

Further details will be presented by the curatorial team on 14 February: Elisabeth Endres, Daniele Santucci, Nicola Borgmann and Gabriele G. Kiefer.

Iceland

Can destruction be a means of creation? According to the Icelandic Pavilion, the answer is yes.
The 'Lavaforming' project, led by architect Arnhildur Pálmadóttir, founder of s.ap architects, proposes an innovative approach: the use of controlled lava flows to produce sustainable building materials. Rather than seeing lava as a destructive force, the exhibition presents it as a valuable resource that can significantly reduce the environmental impact of building materials. It takes advantage of Iceland's unique geological conditions and volcanic activity to realise this vision.

Denmark

Perhaps inspired by Germany's approach in recent years - where the pavilion structure itself became an integral part of the exhibition - Denmark's pavilion will serve as a 1:1 case study in resource reuse. Instead of creating something new, the exhibition will focus on the practical maintenance of the existing building. The exhibition "Build of Site: Building Upon the World Without Building Anew', has a clear message.

""We've already created everything we need. That's why we must be better at understanding and finding value in what already exists," says curator Søren Pihlmann. His research examines the historic pavilion complex, originally designed by Carl Brummer (1932) and later extended by Peter Koch (1958), to explore how to optimise the use of existing materials.

Argentina

A different take on contemporary architecture: this year, the Argentine Pavilion presents 'Siestario', a space that invites visitors to pause and reflect on the relationship between time and architecture. The experience of the siesta (afternoon nap) becomes a metaphor for the need to slow down. A giant inflatable structure will occupy the entire pavilion and serve as a resting space.

The installation is inspired by the silo bag, a temporary storage system widely used in agriculture, and symbolises Argentina's countryside and economy. The winning project was designed by architects Juan Manuel Pachué and Marco Zampieron, in collaboration with Brian Ejsmont.

U.S.

This year, the United States Pavilion explores the theme of the porch, an essential element of American culture. The exhibition, "PORCH: An Architecture of Generosity," invites visitors to consider porches as spaces of connection and interaction. The pavilion itself - designed in 1930 in the neoclassical style by William Adams Delano and Chester Holmes Aldrich - will be transformed into a gathering space. 
Inside, the exhibition will showcase some 50 projects from across the United States, both recent and historic.

Brazil

After winning the Golden Lion at the last Architecture Biennale with "Terra [Earth]", Brazil returns with an interdisciplinary exhibition curated by the Plano Coletivo collective. The 2025 Brazil Pavilion will weave together architecture, nature and social infrastructure, drawing inspiration from both Amazonian ancestral practices and contemporary strategies that integrate society, urban spaces and the environment.

The exhibition will explore the role of collective intelligence in rethinking housing and urban life in response to today's socio-environmental crises.

Belgium

The Belgian pavilion focuses on the role of vegetation in architecture and how plants can significantly regulate the temperature of our built environment, an increasingly critical factor in an uncertain future. 
The 'Building Biospheres' exhibition is curated by a team including landscape architect Bas Smets, climatologist Valerie Trouet and biologist Stefano Mancuso. The project highlights the need to rethink nature as an active component of architectural design rather than a passive element, integrating 'plant intelligence' into the built environment.

Australia

Illustration of HOME by Dr Michael Mossman, Emily McDaniel and Jack Gillmer

Australia presents 'HOME', an exhibition focusing on Australia's natural environment and Indigenous knowledge systems. Curated by Michael Mossman, Emily McDaniel and Jack Gillmer, the pavilion offers an immersive sensory experience focused on environmental stewardship and cultural heritage. Visitors will gain insights into Indigenous perspectives and be encouraged to reflect on sustainability and cultural resilience - key themes for the future of architecture and society.

France

"Vivre avec / Living with" is the name of the exhibition in the French Pavilion, designed by Jakob+Macfarlane, Martin Duplantier Architects and Eric Daniel Lacombe EDL. This light, temporary structure, made from recycled materials, will be located in the pavilion's park, which is currently under renovation. Designed as an inclusive, interactive space, it will host exhibitions, discussions and collaborations with architecture schools from France and abroad.

United Arab Emirates

Entitled 'Pressure Cooker', the exhibition is the first UAE pavilion to be curated by a woman: Azza Aboualam, an Emirati architect and assistant professor at Zayed University's College of Arts and Creative Enterprises. The exhibition examines food production infrastructures in the UAE and explores how architecture can contribute to innovative, integrated solutions for food security. " Using the UAE as a case study, how can architecture be mobilized towards greater food security?" asks Aboualam, a question the exhibition seeks to answer through research and case studies presented at the Biennale.

Turkey

© Fatih Yilmaz

Curators Ceren Erdem and Bilge Kalfa focus on the theme of ground. "Grounded" explores soil as an essential element of life, memory and knowledge - often overlooked but rich in architectural potential. Combining sensory experience, scientific research, architecture and art, the exhibition examines the role of soil in connecting past and present, and proposes innovative approaches that integrate traditional building techniques with modern insights.

Austria

The Austrian Pavilion is tackling the housing crisis, following in the footsteps of Canada's 2023 "Not for Sale!" exhibition. "Agency for Better Living", explores the political dimensions of housing as a fundamental right. Curators Lorenzo Romito, Sabine Pollak and Michael Obrist examine the contrasting housing models of Vienna and Rome, comparing Austria's top-down approach with Italy's bottom-up practices.

Alejandro Aravena © Elemental

Exhibitions in the city

Each year, the Venice Architecture Biennale brings a series of side events that enliven the city and involve museums and foundations. One of the most anticipated this year is the AMO/OMA exhibition at the Prada Foundation in Venice, which explores the diagram as a tool for universal communication - not only in architecture, but also in major social and political processes.

Following the prototype created with Norman Foster for the 2023 Biennale, Holcim returns this year with Pritzker Prize winner Alejandro Aravena and his Elemental architecture studio to launch a resilient housing project with a zero carbon footprint, "in an effort to move towards a more sustainable human habitat".

Who is Carlo Ratti

Carlo Ratti. Photo Andrea Avezzu

Curator of the Venice Architecture Biennale 2025, Carlo Ratti has a background in architecture and engineering and teaches at the Massachusetts Institute of Technology (MIT) and the Politecnico di Milano. In addition to his academic work, he is the director of the Senseable City Lab and a founding partner of the architecture firm CRA-Carlo Ratti Associati, with offices in Turin, New York and London. This year he will also be curating the French Pavilion at Expo 2025 in Osaka, in collaboration with the Coldefy architectural studio.

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