How 'green concrete' has failed to build an eco-revolution in France and the world

By Floriane Louison

Concrete is the second most consumed product on the planet after water and its environmental impact is huge. As the climate crisis unfolds, major companies in the sector in France and around the world have made repeated promises that they will achieve carbon neutrality. But as Floriane Louison reports, so far this 'greenwashing' has produced very few effective solutions.

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It is in our roads, in wind turbine masts, nuclear power stations, skyscrapers, in social housing blocks, in both modestly-priced housing estates and upmarket architectural houses … it is everywhere. Every second, close to 150 tonnes of concrete is poured in the world. In just one year that would be enough to cover the whole of France in a grey layer.