Water lettuce forms dense mats on the water surface. This can reduce light penetration and oxygen levels in the water, negatively affecting all aspects of aquatic life.
Articles on Vaal River
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The tunnel bringing millions of litres of water from dams in Lesotho to South Africa is to undergo a six-month repair. This could leave residents of Gauteng in South Africa short of water.
The Vaal River, which serves more than 11 million people, is considerably polluted with microplastics.
Gauteng citizens need to know the uncomfortable truth: for the next six years, their water supplies will increasingly have to be restricted.
South Africa needs a way to incorporate active citizens within the prevailing constitutional and legal structures, so as to strengthen all levels of government.
South Africa’s Department of Water and Sanitation has plans in place to ensure adequate water supply until 2040 and beyond.
Harmful pesticides have been found in the widely consumed sharptooth catfish found in a river that runs through Johannesburg.
South Africa’s local governments lack a clear separation of legislative and executive powers.
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Visiting Adjunct Professor, School of Governance, University of the Witwatersrand
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Professor of Law, University of the Witwatersrand
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Researcher, Faculty of Veterinary Medicine, Hokkaido University
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Postdoctoral fellow, North-West University
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Senior Lecturer, DST/NWU Preclinical Drug Delivery Platform, North-West University
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Director: School for Biological Science, North-West University
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Associate professor, North-West University
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Director: Unit for Environmental Sciences and Management, North-West University
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Postdoctoral Research Fellow (University of Cape Town) & Research Fellow (UNU-INWEH), University of Cape Town
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Researcher, School of Chemistry, University of the Witwatersrand, University of the Witwatersrand
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Professor of Environmental Toxicology, Hokkaido University
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Deputy Director of the Centre for Biological Control at Rhodes University and Biological Control and Freshwater Alien Invasive Species Management, South African Institute for Aquatic Biodiversity
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Researcher, Faculty of Veterinary Medicine, Hokkaido University