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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

Prof. Aldo Stroebel serves on SAYAS
2011-09-23

 
Prof. Aldo Stroebel


Prof. Aldo Stroebel, from our university, has been elected as a Founding Member of the South African Young Academy of Science (SAYAS).
 
He is currently Associate Professor in the Centre for Sustainable Agriculture, Rural Development and Extension, as well as the Director of International Academic Programmes in the Office of the Vice-Chancellor at the university.
 
The Young Academy has as its objectives to represent young scientists in advising the government on science and technology policy and human resource development. In addition, they will prepare the SAYAS to join the Global Young Academy (GYA) to engage with high-level international bodies, including the World Economic Forum. Twenty Founding Members have been elected – ten new members will be elected annually to a maximum of 50.
 
Prof. Stroebel obtained his master’s degree at the University of Ghent, in Belgium, and a PhD at the UFS after a year of graduate coursework at Cornell University in the USA. He completed post-doctoral work at Wageningen University and Research Centre in The Netherlands, where he has been appointed as a Visiting Fellow to their recently-established Centre for Food Security and Sustainable Development. He has published widely, including more than 90 journal articles, book chapters and reports, and co-edited a book published by CTA Wageningen. He has supervised ten master's and doctoral students.  
 
He serves in various capacities: he is a member of the Research and Innovation Strategy Group of Higher Education South Africa (HESA), former member of the SANPAD Board, the President of the International Network of Research Management Societies (INORMS) Conference in 2010, and Vice-President of Research and President-elect of the Southern African Research and Innovation Management Association (SARIMA).
 
Prof. Stroebel has participated in a number of national and international conferences. He was a keynote speaker at the Society of Research Administrators (SRA) in Washington DC in the USA and at the Ministerial Conference on Higher Education in Agriculture in Uganda.
 
He has worked as a consultant and/or advisor for a number of international and multinational organisations, including the Food and Agricultural Organisation of the United Nations (FAO), the United States Agency for International Development (USAID), World Bank, Lux Development, and the World Conservation Union (IUCN), Switzerland.
  

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