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04 June 2019 | Story Valentino Ndaba | Photo Charl Devenish
Prof Cathryn Tonne
Air pollution not only costs lives, it costs money too. Pictured is Prof Cathryn Tonne presenting a guest lecture on air pollution at the Bloemfontein Campus.

Health effects associated with ambient air pollution (AAP) have been well documented. Subsequently, the relationship between pollution and financial outcomes have also become a focus for case studies globally. An Environmental Research journal article revealed that “low and middle-income countries are disproportionately affected by the global burden of adverse health effects caused by AAP”. 

A high price to pay

In 2012, high concentrations of air pollution caused 7.4% of all deaths, costing South Africa up to 6% of its Gross Domestic Product. According to the recent International Growth Centre study conducted by senior University of Cape Town researchers, this is a direct consequence of the country’s heavy dependence of fossil fuels, a source of health-damaging air pollution and greenhouse pollutants.

Stunted human and economic growth

These South African statistics are attested to by Prof Cathryn Tonne who recently presented a guest lecture on air pollution which was hosted by the University of the Free State (UFS) Business School.

“Air pollution can affect economic development through several pathways, and health is an important one. Air pollution is linked to shorter life expectancy, chronic disease, asthma exacerbation and many other health outcomes that result in absenteeism from work and school. These have large direct costs to the health system.” 

Prof Tonne says that air pollution exposure in children is linked to reduced cognitive development, with important impacts on human capital. As a result, children are not reaching their full potential in terms of neurodevelopment, which has an effect on their income prospects and the economy as a whole. 

Resolving a looming disaster

Technology may be employed to radically clean the air. Cities need to lead in the reduction of air pollution by promoting renewable energy, using active transport such as walking or cycling, and investing in infrastructure to make this safe and attractive. 

With researchers playing a major role in strengthening the case for aggressive air pollution control, the government needs to implement policies in order to control sources of air pollution. This global health and economic issue also requires individuals and communities to play their part to improve air quality.

News Archive

Three minutes for research
2015-08-19

Sixty-three researchers, three minutes each. This is the Three-Minute-Thesis competition (3MT) for master’s and doctoral students countrywide, presented by the Postgraduate School at the University of the Free State.

For the first time, this international competition will be presented on a national level in South Africa, with students from more than ten of the most prominent universities in the country taking part. During the competition, each researcher has to give a presentation on his/her research in three minutes.

Mr Katleho Nyaile, the competition organiser, says the 3MT is part of the Postgraduate School’s initiative to highlight and to boost postgraduate research.

The 3MT competition originated at the University of Queensland, Australia. Since its inception in 2010, it has developed into an international trend. Currently, the 3MT is presented in Australia, the USA, and the UK.

For the competition, participants are given only three minutes to explain their research. In this short time, they have to explain not only the problem and the methodology, but also why this research is important. Participants are allowed to make use of only one piece of static imaging material for support.

“It is not only great fun, but also a learning opportunity for the researchers. The competition supports the capacity of the researchers to convey the essence of their theses effectively. This is something that researchers sometimes find very difficult.”

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