«Four degrees Celsius between you and me» THIRD EDITION OF BAP!

For the third edition of the Biennale d'architecture et de paysage d'Île de France, Sana Frini and Philippe Rahm have been selected as co-curators of the exhibition by the École Nationale Supérieure d'Architecture, which will be presented in the stables of the Château de Versailles from 7 May to 13 July 2025.

The main idea that structures the exhibition entitled "Four degrees Celsius between you and me" responds to an official declaration made in 2023 by the former French Minister for Ecological Transition, Christophe Béchu. The Minister declared that as a result of the advance of climate change, France will experience a temperature increase of +4°C by 2100.

Diffusion Poster. Biennale d'architecture et de paysage.

The Île-de-France Architecture and Landscape Biennale, France's most important architectural exhibition, will hold its third edition from May 7 to July 13. The exhibition "Four degrees Celsius between you and me", curated by Sana Frini, from the Mexican firm LOCUS, and Philippe Rahm, from the French firm PHILIPPE RAHM ARCHITECTES, will be part of the 2025 edition.

The aim of the exhibition will be to show the evolution that temperate climate cities, such as Paris and other northern cities at similar latitudes, will experience by the end of the 21st century, in response to the advance of climate change. The central theme of the exhibition raises awareness about the transition these cities will experience towards a subtropical climate, which will present significant challenges and opportunities for architectural and urban design.

As regards the city of Paris in particular, the Météo-France report has announced the following changes for the year 2100:

In summer:

- An increase in the average temperature of up to +5.3°C.
- A drastic increase in the number of days of heat waves, which will go from 1 day at present to between 3 and 26 days per year.
- An increase in the frequency and severity of droughts.

In winter:

- An increase in the average temperature of up to +3.9°C, with fewer periods of frost.
- An increase in the amount of precipitation, without a significant increase in the number of rainy days.

The exhibition aims to encourage architects and urban planners working in cities with temperate climates, such as Paris, New York or London, to take as a reference those models of architecture and urban planning that are applied in cities in southern areas, where subtropical, Mediterranean, arid or tropical climates require solutions that are capable of combating heat, drought, rain and flooding.

This climatic transformation means that the urban landscape of temperate climates will become "Mediterraneanized" and "tropicalized" throughout the 21st century. The aesthetics of architecture and urban planning will not be alien to this revolution and will therefore have to adapt its forms, appearances and, more profoundly, cultures, customs and lifestyles to these new material conditions.

Left.- Sana Frini. Photograph by Angela Simi. Wright.- Philippe Rahm. Photograph by Philippe Rahm architectes.

Philippe Rahm. Photograph by Philippe Rahm architectes.

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More information

Label

Curators

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Sana Frini, Philippe Rahm.

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Dates

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07.05 > 13.07.2025.

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Location

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l'École Nationale Supérieure d’Architecture, 5 Avenue de Sceaux, 78000 Versailles.

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Photography

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Philippe Rahm architectes, Angela Simi.

Jachen Schleich, Sana Frini. Locus

Locus is a cross-disciplinary office based in Mexico City, bounded by Jachen Schleich and Sana Frini in January 2020, who understand space as a place that results from a constant in-betweens where form(s) follow(s) behaviour(s) and belonging(s).

Its tools embody the tangible, as they told, the felt the hidden and the unseen. history is fundamental, while context(s) and narrative(s) are lenses to look at the present to build in. Locus is currently leading the construction of the first zero-carbon footprint building in Mexico.

The office recently won second place in the IOM headquarters competition in Geneva(2023) and fourth place in the National Museum of Carthage competition in Tunisia (2023). They were also selected to take part in the eco pavilion competition in Mexico City (2023) and exhibited several different ranges of upcycled furniture at Mexico City’s design week the same year.

Sana Frini, co-founder of locus and Tunisian born is an architect based in Mexico City, holds an M.arch in urban studies (utl, Lisbon) and MSC in globalization and environment (nova, Lisbon). Sana’s research focuses on architectural practices in the global south, including participatory processes, neovernacular systems, and sustainable development.

She has managed projects in social housing, rehabilitation, and reconstruction, as well as artistic installations in France, Mexico, Portugal, Spain, the United States, and Tunisia.

Sana has recently been selected to curate the Biennale d’Architecture et de Paysage in Versailles (bap, 2025). Her work has been exhibited at events such as the Mexico City Design Week (2023), the Herbert Johnson Museum (2021), the Mexican Abierto de Diseño (2019), the Chicago Architecture Biennial (2018), and the Lisbon Architecture Triennale (2013).

Sana has received awards such as the Gensler Visiting Critics (2021), the Mexican national art creators system grant (2020), and the Erasmus Mundus fellowship. She has collaborated with universities such as Cornell Aap, Chicago (IIT), Kent University, head Geneva, Versailles School of Architecture, and UNAM Mexico.

Jachen Schleich, co-founder of Locus, swiss-born, is an architect based in Mexico City. He holds an MSC (ETH, Zurich) and shapes his architectural practice around essential elements, addressing broader contemporary themes. His work spans scales from furniture to urban infrastructure and masterplans.

Alongside being co-founder of Locus and sustainable living, Jachen oversees the Swiss sustainable construction certification (Energie) in Mexico. additionally, he manages cella program activities in Mexico with support from the Swiss Agency for Development and Cooperation (cosude).

Jachen is also co-founder of Liga de la Madera, an interdisciplinary group dedicated to research, practice and teaching the wood production chain in Mexico.

Blending his practice with research and teaching, Jachen is currently involved in a course about wood construction at Centro University, Mexico, and has been invited to various places as a jury/guest professor.

Exhibited recognitions include being a finalist at the 2018 Venice Biennale’s ‘Young Architects in latin America’ (YALA) and winning the gold medal at the 2022 Mexican Architecture Biennial and the 2023 Architecture Biennial of Mexico City.

Philippe Rahm

Philippe Rahm (born April 28, 1967, in Pully, Switzerland) is a Swiss architect who studied at the Federal Polytechnic Schools of Lausanne and Zurich obtaining his architectural degree in 1993. He is the principal at Philippe Rahm Architectes in Paris, France.

In 2002 he was chosen to represent Switzerland at the 8th Architecture Biennale in Venice and was one of the 25 manifesto’s architects of Aaron Betsky’s 2008 Architectural Venice Biennale. He was a nominee in 2009 for the Ordos Prize in China and in 2008 was in the top ten of the International Chernikov Prize in Moscow. He has participated in many exhibitions worldwide (Archilab 2000, SF-MoMA 2001, CCA Kitakyushu 2004, Frac Centre, Orléans, Centre Pompidou, Beaubourg 2003-2006 and 2007, Manifesta 7, 2008, Louisiana museum, Denmark, 2009) and in 2007 he had a personal exhibition at the Canadian Centre for Architecture in Montreal.

He was a resident at the Villa Medici in Rome in 2000. He has taught at the Architectural Association in London (2005-2006), the Mendrisio Academy of Architecture in Switzerland (2004, 2005), the ETH Lausanne (2006, 2007) and the Royal Danish Academy of Fine Arts in Copenhagen (2009-2010). Currently a visiting lecturer of Architectural Design at Princeton, Rahm has lectured widely including at Cooper Union NY, Harvard School of Design, UCLA and ETH Zurich.

Published on: March 8, 2025

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