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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

Busy medical student’s message to Kovsies
2014-05-23

Stefan van der Westhuizen is a third-year medical student at Kovsies and although he performs well academically, it is not only his studies that keep him busy.

In 2012 Stefan was part of the Leadership for Change programme visiting the International Christian University in Tokyo and in 2013 he visited Stanford’s Sophomore College in California. More recently, he was a guest speaker at this year’ Kovsie Open Day.

His message to current and prospective Kovsies is as follows.

“It is important to me that all students should know: at Kovsies it isn’t only about what you see at the surface. At Kovsies we build a holistic student. And there is a great variety of opportunities – this is what made me decide to come here.”

“The more you do, the more you can do. Something important that I would like to say to prospective medical students, is: here at Kovsies you will not only swot medicine. You learn to be a human being. And this is something you won’t find at other universities.”

“You must decide what you want to achieve, who you want to be and where you want to make a difference. I would rather be a 60% medical student than a 60% human being.”

Stefan would like to go abroad again in future, but then he would like to study at an American medical university. He aims to eventually specialise in cardiothoracic surgery.

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