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20 March 2018 Photo Pexels
Water footprint important but misunderstood indicator
Water footprinting is the future of water conservation
The Water Footprint (WF) of a product, process or person provides an indication of how much fresh water is used, both direct and indirect, to produce a product, drive the process or lead a lifestyle. Although it is a very important indicator it is often misunderstood. Popular media contribute to this misunderstanding as they often use the WF to illustrate the large quantities of water used to produce a product without explaining what the footprint actually means.  

An example is a single kilogram of beef that has an average global WF 15 415 litres. This indeed sounds scary, but when one places it in context, the total WF includes 14 414 litres green water, 550 litres blue water and 451 litres grey water. Green water is the evapotranspiration of precipitation (rain), blue water is the fresh water from dams, rivers and underground sources, while grey water is the amount of fresh water required to dilute polluted water to acceptable levels.

According to Frikkie Maré, a lecturer at the Department of Agricultural Economics at the University of the Free State (UFS), the WF concept provides a new look at water conservation and sustainability. “Although the WF is not an indicator of sustainable water use, it is a useful tool to calculate total water demand and is used in the estimation of sustainability. Traditionally, water conservation was focused on the direct water use of individuals (time taken to shower, leaking taps etc.), but the WF now provides a tool to focus attention on total water demand.”

The Water Footprint Network assists individuals with this new trajectory on the water conservation front with the personal water footprint calculator that allows individuals globally to determine their personal water demand through their direct and indirect water usage. Maré believes this can cause the necessary paradigm shift in the aqua status quo by creating awareness among consumers on their total water demand.

With Water Week underway from 17-23 March 2018, UFS students and staff members are urged to make use of the personal water footprint calculator in order to become aware of the real importance of fresh water in our everyday lives.

News Archive

UFS101 students learn from the masters
2013-09-01

 

Letsetja Kganyago (second from the left) and Dr Francois Strydom (on the right, next to him, Director of the Centre for Teaching and Learning, in discussion with third-year students.
Photo: Stefan Lotter
01 September 2013

 

Huge effort is employed to expose first-year students through the UFS101 programme to the largest possible landscapes of South African politicals, economics and other fields. The lecture that Letsetja Kganyago, Deputy Governor of the South African Reserve Bank, delivered in August 2013, was no exception.

About 4 000 students attended the lecture at the Bloemfontein Campus, of which 150 students on the Qwaqwa Campus shared in the proceedings via live streaming. Kganyago discussed the impact of the international financial crisis on South Africa, as well as on the man in the street.

Third-year and postgraduate students also had an opportunity to talk to him during his visit.

The UFS101 programme was bolstered earlier this year through lectures delivered by a judge from the Free State Supreme Court, as well as Prof Jonathan Jansen, Vice-Chancellor and Rector.

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