A JAPANESE company has developed porous paving slabs that not only soak up excess water, but absorb pollutants from the air. The Taiyu Concrete Industry Co., has developed its so-called Ecowalking Brick, by coating molten and crushed refuse incineration slag with titanium dioxide. The road paving attracts nitrogen oxides, offensive odours, bacteria and viruses. The product has an eco-mark rating from the Japan Environment Association.

Full access to this article can be arranged with permission from the client that first ordered it. Please contact us to request access. Entries are uploaded to our archive at least one year after being published by a client – free access is restricted to International News Services journalists for background research only. The article date indicates when copy was filed to a client, not when posted to this archive. Upon client requests, International News Services will remove such articles from the archive or not upload them in the first place. They are included to demonstrate the breadth of topics undertaken by the agency and also to help promote clients’ coverage.