Anti-smog cobblestones

    The cobblestones in front of the store have a photocatalytic surface consisting of titanium dioxide nanoparticles. They reduce the concentration of nitrogen oxides in the air in the area by an average of around 50% compared to asphalt. The effect is particularly noticeable for young children, as the cleanest air rises close to the ground and reaches the height of a child’s pram.

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    Responsibility Report 2021