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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

From lock to SA prop in six months
2017-08-29

 Description: Kwenzo Bloze Tags: Kwenzo Blose, KovsieSport’s, Junior Sportsman of 2016, World Championship, Shimla 

One of the rugby players that Kwenzo Blose looks
up to, is the Cheetah prop Ox Nche. He and Nche
are both residents of the Vishuis men’s residence.
Photo: Jóhann Thormählen


If someone told Kwenzo Blose of Glenwood High School that he would scrum as prop for the South African U/20 rugby team at the Junior World Championship, he would probably have thought it was a joke. At that time he still played lock, but only six months after the shift to prop, he represented his country at the tournament in Manchester, England.

Apart from this, KovsieSport’s Junior Sportsman of 2016 – who will probably be playing in his second World Championship this year, only became a Shimla in 2017. Last year he was still playing for the University of the Free State’s Young Guns.

Beast also played lock at first
André Tredoux, former UFS and Cheetah talent scout, said the Springbok prop Beast Mtawarira also played lock and flank at school. “Glenwood competed in the Wildeklawer Super Schools Tournament. Apparently coach André spotted me there and talked to Stephan Jacobs, another UFS coach. At that stage, I still played lock and they told each other that they had to get me to the Free State and convince me to play prop. I knew nothing of these plans,” said Blose.

According to this Paulpietersburg-native, who is 1,87 m tall and weighs 112 kg, he still has a lot to learn at prop. His greatest adjustments were in the scrums. “At prop you have to absorb the pressure of the rest of the pack in order to provide your team with front-foot ball,” he said. He said Jacobs, who was his Young Guns scrum coach, and Daan Human, the Cheetah scrum doctor, has helped him a lot.

An avid student off the field
Even though rugby has opened doors for the loose head who is studying LLB Law, he maintains a good balance. “The main reason why I came to university is to study. To be playing rugby and performing well is a great blessing, but I also have to prioritise and make sure that I obtain my degree.”

This year’s Junior World Championship was from 31 May to 18 June in Tbilisi, Georgia. Last year, the Baby Boks finished in a disappointing fourth place, but Blose believes they can improve on this. “If everything goes according to plan and if some of the guys are playing again, we would have something like nine players who played in the 2016 tournament.”

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