In the viewfinder, but indispensable. This is how we should consider concrete, and its main constituent, cement. The world of construction must decarbonize at high speed today. The building emits 90 million tons of CO2 per year France. It accounts for 19% of national emissions, and 28% when considering those related to the production of energy consumed in buildings.
Bringing them down is a priority. For the building stock, the government encourages thermal renovation. For new construction, a new regulation, called RE2020, will gradually be extended to all constructions. And it pushes very strongly to an evolution of materials for a greater use of those of biosourced origin, such as wood but also hemp or raw earth. In hollow, it is necessary to reduce the share of concrete, and cement that is bound to it, because very high emitting CO.
The construction of tomorrow
Concrete is the main building material today. He...
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