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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

SA one of the leading countries for female researchers
2014-10-28

South Africa is one of the leading countries for female researchers, with women constituting about 40% of the research field, says Minister of Science and Technology, Naledi Pandor.

The Minister made these comments during the Public Lecture of the Faculty of Education on our Bloemfontein Campus on Friday evening 24 October 2014. Minister Pandor urged female students to seize the opportunities in science and technology that has been made available to them since 1994.

"Forty percent of South Africa's researchers are women. Of the 40 000 researchers in universities, science councils and business shown by our latest research and development survey records, nearly half are women. That makes South Africa one of the leading countries for female researchers," said the Minister.

Minister Pandor said that the rights and status of women in South Africa had been greatly advanced since South Africa became a constitutional democracy. "It is well known that better educated women are better for a country's social and economic development," she added.

Minister Pandor pointed out that research skills were some of the most sought-after skills in the world, and encouraged women graduates to start dominating in the research and laboratory fields, where men continue to reign supreme.

"Knowledge and innovation, rather than capital and labour, are the drivers of economic growth in all countries. The current affluence of high-income countries has been massively increased by their investment in science and new technologies."


Full lecture

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