Can urban greening come to the rescue of life in cities?
The summer of 2022 has sadly left its mark on the history of France. Some people see it as the clear consequences, others hear alarm bells ringing... With an unprecedented drought, repeated dramatic fires and record temperatures, France, like other countries around the world, is overheating! This fact highlights the vital and indeed health-giving role played by urban greening.
“De-gendering” cities: a new criterion of attractiveness?
Cities are made by men and for men: they have historically been planned and designed to reflect the traditional role of the male gender. This is a considerable problem since all genders should have equity in sharing the public space.
Building schools in modular wood
Interview with Marina Da Silva Carvalhais, R&D projects and Wood Construction Innovations (WeWood).
Flax: A fibre of the future for construction?
Resistant, light, efficient, ecological… Flax is used in construction on land and even on the sea! In 2022, the Netherlands inaugurated the world’s first linen bridge. A navigator used it to build the hull of his boat… Can this plant material really meet the needs of urban construction?
Is digitalisation the key to building differently
Attracting talent, mitigating climate change, and improving productivity: These are the construction sector's three main challenges. BIM and various digital tools offer useful solutions, but these are not enough.
What if your sites were supplied via rivers instead of roads?
Faced with the current energy situation, we must urgently find alternative solutions that will enable us to change the ways we produce and transport our materials. Among the solutions considered, one of the priorities – particularly for the industrial sector – is to find means of transport that are more energy-efficient and less harmful to local residents. Focus on river transport.
New challenges in public space
Today, public spaces are facing new challenges – societal, environmental, political, technological and economic – and must deal with the uncertainty of a changing world. How can public spaces be designed to meet the various expectations of society while also being able to adapt to future developments?
Free public transport: issues and positions of the key players in the debate
The issue of free public transport was widely debated in France’s 2020 municipal elections. Its presence on the headlines of many campaign documents demonstrates the political, environmental and societal nature of the issue. Several issues arise from the implementation of such a public policy. We examine the positions of the key stakeholders in the debate.
How do you design green roofs?
Green roofs are on the up and up. And for good reason! They have many environmental, economic and social benefits. In addition to their aesthetic appeal, they can promote biodiversity, improve the insulation of buildings and retain rainwater. Recent research conducted by ecologists is improving our understanding of the conditions under which rooftop vegetation thrives and develops, and assessing the quality of ecosystem services provided by different types of roofs. We consider the factors behind the design choices for such ecosystems.
What kind of governance is appropriate for a convivial city?
At the request of Bouygues Construction and La République des Hyper Voisins, six students from the École Urbaine at Sciences Po Paris worked for nine months on creating conviviality in urban areas. The proposed exploration strategy is to create the conditions for conviviality by introducing a professionally-structured form of citizen action on a micro-local scale. Explore their recommendations for the forms of governance that are most conducive to the emergence of convivial spaces, based on eleven areas of investigation in France and Switzerland.
How do players in US construction innovate?
Interview with Viviane André, an analyst at Winnovation, a Bouygues Group subsidiary.
Should we build higher and higher to fight against land artificialisation?
The fight against urban sprawl and land artificialisation is a national priority that is pushing those in the building sector to look for solutions to make cities denser. One of these solutions is to build ever taller buildings. A controversial issue.
The French Towns Adopting Sustainable Construction Charters
Many towns and cities are looking for a way to remodel their urban planning to give them resilience in the face of climate issues. One such solution is to rally the stakeholders in an area - residents, companies and local authorities - to move towards housing solutions that are innovative, sustainable and accessible to all: that is the cited goal of the ‘sustainable construction charters’ emerging around France.
How much will the ecological transition cost the construction industry?
In the last segment of its sixth activity report, the GIEC specifies very clearly that on the economic level, the ecological transition will prove less expensive for the global economy than if we do nothing. Several sectors are highly exposed to this issue, in particular transport, energy and construction. But acting, how much will it cost? The subject is a complex one but initial estimates are starting to be seen.
Guide to Regreening Cities
Focus on planting initiatives to regreen cities including urban canopies to provide plant life without digging, planters with automatic watering or rainwater harvesting systems, “oasis” schoolyards, and urban mini-forests.
Tackling traffic congestion in cities
Tackling traffic congestion has always been a major challenge for local authorities. Many different approaches have been attempted, including adding lanes, removing lanes and multimodal transport.
Towards a more “ecosystemic” energy performance of buildings
Controlling energy consumption has become an environmental, social and economic necessity, due to the numerous impacts on the biosphere and society as a whole: climate change, depletion of natural resources, deterioration of health, etc.
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Students’ dream campus of the future
“Imagine the future of tomorrow’s higher education campus”: this is the challenge launched by the Bouygues Group to students from 19 schools and universities in partnership with asapidea.
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3D printing: a house soon-to-be constructed in Nantes!
A first for France. In September, social housing in Nantes will be built using an industrial 3D printer.
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Will the city of the future run on hydrogen?
Hydrogen has been put forth as a critical "green" energy solution in the next decades. Between public and personal transport, power production and storage, the innovations are proliferating around the world to make hydrogen a central part of our daily lives.
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How much will the ecological transition cost the construction industry?
In the last segment of its sixth activity report, the GIEC specifies very clearly that on the economic level, the ecological transition will prove less expensive for the global economy than if we do nothing. Several sectors are highly exposed to this issue, in particular transport, energy and construction. But acting, how much will it cost? The subject is a complex one but initial estimates are starting to be seen.
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Construction Industry: Together, we are stronger!
Bouygues Construction joined Construct Lab in July. This group of construction and public works firms fixes frequent problems in these sectors, and start-up companies apply solutions. Julien Bourcerie, Open Innovation Manager for Bouygues Construction, on “collective intelligence” in construction.
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The latest developments in low-carbon concrete
The first part of the 6th assessment report of the IPCC, published in August 2021, made blatantly clear how important it is for us to meet the commitments made under the Paris Agreement by limiting global warming to less than 2°C, preferably to 1.5°C, and to achieve carbon neutrality by 2050. The construction sector, one of the main emitters of greenhouse gases, is particularly concerned. It accounts for 19% of emissions in France (not including associated emissions such as electricity and heat production). At the heart of the sector’s low-carbon transition, the diversification and decarbonisation of building materials is an important lever: this covers the structuring of bio-sourced and geo-sourced materials, the development of solutions from the “dry sector” (reuse, prefabrication), and the emergence of new ranges of low-carbon concrete. The challenge is to be able to use the right material in the right place, according to the specific context of a given territory and a particular project. We turn the spotlight on low-carbon concrete: what processes and techniques does this term suggest and what does it promise?
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Why cities should be designed for children
On the pavements of our neighbourhoods, the cries of children are becoming increasingly rare. They are replaced by the noise of cars and hurried adults who no longer seem to know how to stop, wander or stroll... How is this harmful to the accessibility of our cities? And is this disappearance of children from the public space inevitable?
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Real estate: Rennes trials the “Bail Réel Solidaire” leasehold arrangement
Purchase housing without paying for the land it stands on. Savings of between 20 and 50% are now possible thanks to the French “bail réel solidaire” leasehold arrangement provided for by the ALUR law and specified late last year by the ELAN law
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Sustainable materials: the key to future construction
Improving thermal insulation, reducing the carbon footprint, optimising energy performance… The solution to all these linked objectives lies in the design phase with the choice of materials. A dilemma or a boon?
