Nanoparticle-coated pavement that cleans the air

摘要

The concentrations of toxic nitrogen oxide that are present in German cities regularly exceed the maximum permitted levels. That's about to change, as innovative paving slabs that will help protect the environment are being introduced. Coated in titanium dioxide nanoparticles, they reduce the amount of nitrogen oxide in the air. In Germany, ambient air quality is not always as good as it might be-data from the federal environment ministry makes this all too clear.