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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 makes internet affordable for students
2009-08-25

 
From the beginning of September the cost of internet access for students of the University of the Free State (UFS) will be lowered drastically to make this important medium for students’ study (and student life) affordable.

Prof. Janse Tolmie, Director: Computer Services, says different tariffs will apply in three different time slot, of which the lowest will be 20c per megabyte (MB). At present students pay R1 per MB right through the day. Students already get 30 MB free every month from the UFS, but postgraduate students will have 50 MB available from now on.

In peak time (05:00-17:59) students will pay 70c per MB, 50c in off-peak time (18:00-21:59) and just 20c per MB in discount time from 22:00 to 04:59. The new tariff structure will encourage students to use the internet in the evenings and reduce the pressure on the UFS network by doing so.

The provision of internet access is a high priority with the UFS. Each of the 18 residences is equipped with internet access points in every room. There are more than 3 000 network points in the residences and 1 300 in the general computer labs on campus.

Students have access to social networks like Face Book and Twitter from 17:00 daily.

Prof. Tolmie says the new structure will encourage students to use the internet in the evenings and reduce the pressure on the UFS network in such a way. 
Photo: Supplied

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