Special paving slabs will will help reduce toxic chemicals in the atmosphere.

The city of Fulda in Germany will install special paving slabs in its streets that will improve the quality of air by reducing toxic nitrogen oxide in the atmosphere. These slabs are coated with titanium dioxide nanoparticles that convert nitrogen oxide into nitrates that are harmless to the environment and are released into groundwater. The slabs also remain stable over the long term and have already been tested in Italy with positive results.

Fraunhofer: “Paving slabs that clean the air”

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