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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

UFS again involved in this year's Science Expo
2009-08-21

The annual Science Expo will once again take place at the South Campus (formerly known as the Vista Campus) of the University of the Free State (UFS) in Bloemfontein from 20-22 Augustus 2009.

This is the 25th year that the Faculty of Natural and Agricultural Science at the UFS is involved in the project as one of the main sponsors for the regional competition. This involvement stems from the institution’s endeavour to promote a love for science amongst youth at an early age already. In this way, new thoughts and development are stimulated with regard to science.

The total involvement of the faculty amounts to approximately R25 000, which includes:

  • The sponsoring of prizes and gift hampers for 220 medallists
  • The sponsoring of two floating trophies awarded to the primary and secondary school with the most Gold medals, as well as R1 000 cash for the two winning
    schools as prize money
  • The sponsoring of medals for the best project for Grades 4-7, Grades 8-9 and Grades 10-12
  • The sponsoring of merit bursaries to the value of approximately R1 800 for the
    best project: Grades 10-12 at the Science Expo
  • The sponsoring of a special prize for the best project in Soil Sciences to the
    value of R500
  • The venue is made available for free for the project
  • The sponsoring of other expenses to the value of R10 000

This year approximately 432 participants entered for the Science Project. The best projects will participate in the National Science Expo in Pretoria from 2-3 October 2009, where a group of learners will be selected to go to the International Science Expo.

Media Release
Issued by: Lacea Loader
Deputy Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl@ufs.ac.za
20 August 2009

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