Buildings in many city centres bear the stains left by decades of heavy traffic and pollution, but a new type of cement could be about to change this by actually cleaning the air around it.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/building-sucks-smog-cement-absorbs-pollution-air-and-turns-it-harmless-salt-washes-rain
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-mail-united-kingdom
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cement
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/italy