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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

Visually impaired UFS student an inspiration
2016-10-05

Description: Zingisa Ngwenya Tags: Zingisa Ngwenya

Zingisa Ngwenya at the 2016
Spring Graduation Ceremony at the Callie Human
Centre on the UFS Bloemfontein Campus.
Photo: Johan Roux

“Zingisa, I saw the tears streaming down your face when you were being hooded,” said an emotional Dr Khotso Mokhele, Chancellor of the University of the Free State. “And you were not the only one with tears streaming down your face.”
 
Zingisa Ngwenya, a visually impaired BA Communication Science student, was one of those who graduated at the UFS 2016 Spring Graduation on 15 September 2016 at the Bloemfontein Campus. By her side were her guardians, Derek Watts, the presenter of the current affairs TV programme Carte Blanche, and his wife Belinda.

Dream becomes reality with support from community
Watts first met Ngwenya at the Audi Pioneer School Rally in Worcester, Western Cape, in which she was his co-driver. He admired her ability to read all her instructions in braille. “I was inspired by her because she had lost her sight late in her school career,” said Watts at the graduation ceremony. Ngwenya was academically strong and her aspirations to go to university led to the relationship.  

The UFS Centre for Universal Access and Disability Support, the Kirsty Watts Foundation, Gavin Fourie from Richmond, and Symington and De Kok law firm in Bloemfontein helped make Ngwenya’s dream a reality. “We managed the facility for her to do well, but it’s nothing compared to what she has done to get this degree,” Watts said.

Support from Watts family made things possible
Ngwenya will be studying towards a law degree at UFS, as well as working part-time at, Symington and De Kok. “She never bemoans what has happened to her in life. She just looks ahead to make the most of her life,” Watts said.

“Derek and Belinda’s support means everything to me. Without them it would not have been possible because it has really been a struggle, but they believed in me,” Ngwenya said.

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