Observant commuters may notice that in some rail systems, traditional wooden ties are being replaced with those made from reinforced concrete.
Concrete ties may be stronger and more durable than wooden ones, but are they environmentally friendlier?
Technology Partners: MimirTech
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/environmental-edge-concrete-rail-ties-over-wooden-ones
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-york-times-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wood
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rail-transport
