Water and Resources
http://www.searo.who.int/en/Section23/Section1000.htm
http://www.worldwaterday.org/
http://www.irc.nl/
http://www.who.int/water_sanitation_health/diseases/trachoma/en/index.html
http://www.cdc.gov/healthywater/global/
http://www.unhcr.org/pages/49c3646cef.html
http://www.iwapublishing.com/template.cfm?name=isbn393281634x
http://www.unicef.org/wash/index_wes_related.html
http://www.unwater.org/worldwaterday/campaign.html
http://www.canadians.org/water/issues/World_Water_Day/
http://www.maweb.org/en/index.aspx
Urbanization and Populations
http://www.geohive.com/
http://world-gazetteer.com/
http://www.uhrc.in/
Trachoma and Vision
http://www.vision2020.org/main.cfm?type=WIBTRACHOMA
http://www.who.int/mediacentre/news/notes/2006/np09/en/index.html
http://www.who.int/blindness/causes/en/
http://whqlibdoc.who.int/bulletin/2001/issue3/79(3)222-226.pdf
http://whqlibdoc.who.int/bulletin/2001/issue3/79(3)244-248.pdf
http://www.who.int/ncd/vision2020_actionplan/documents/frickfosterAJO1354712003.pdf
http://whqlibdoc.who.int/publications/2004/9241592303_chap10.pdf
http://informahealthcare.com/doi/pdf/10.1080/09286580590932761
http://www.who.int/bulletin/volumes/83/12/913.pdf
http://www.globalnetwork.org/
links