Today is World Water Day! It is important to take a moment today to recognize the great need in this world for water. In countries such as the US, access to clean drinking water is not a problem. However, it can be one of the main concerns for survival in less fortunate countries. Life without easy access to water is difficult one because of the many uses it has in our everyday lives. Bathing, cooking, cleaning – water is necessary for all of these things, among many others. Hygiene and good sustenance is difficult to obtain. We depend heavily on water directly and indirectly (e.g. its use in the manufacture of many of the products we use) for many things. For more information about how we depend on water, click on the following link: http://www.thegatesnotes.com/Topics/Development/Water-Water-Hardly-Everywhere.
Access to clean drinking water is not readily available in poorer countries due to a variety of reasons, especially in rural areas. In Zambia, for example, only about 60% of the population has access to an improved water supply (http://www.nwasco.org.zm/pdfs/sectorreport2010-11.pdf). The situation is complicated by seasonal changes. While a long-term solution is needed, obviously, as a solution to this problem, there have been many simple technologies that have been implemented in the meantime in an effort to get better access to clean water, such as:
- Water kiosks: a nominal fee is paid to obtain and carry clean water home. This has been a very successful endeavor so far. (http://www.gtz.de/de/dokumente/gtz2009-0193en-water-kiosks.pdf)
- SODIS: This simple system uses the effect of UV light from the sun to kill most microbes in water. (http://www.sodis.ch/index_EN)
- Mechanical systems such as root filtration systems or even this bicycle: http://www.youtube.com/watch?v=-U-mvfjyiao&feature=related
There are many available methods to help get easier access to clean drinking water. Why, then, is it still a problem? Water is a necessity for survival; it is a very basic need. It’s a shame that even though the means to obtain clean water are available, not everyone is able to gain access. Learn more about the problem and ways you can help at: http://www.unwater.org/worldwaterday/.
The BU Chapter of Engineers Without Borders is looking into the possible implementation a water filtration system in Zambia this year, and we’re glad for World Water Day because it has certainly opened our eyes to the need for water in the world. Please let us know if you’d like to become involved in our project!