If a research project of the IIT-Madras bears fruit, clean drinking water might just become an affordable commodity for the poor.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/iit-m-project-deliver-clean-drinking-water
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poverty
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/subsidies
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lakes
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution