Climate change has led to water scarcity in many parts of South Africa and the problem isHowever, environmentalists in the Eastern Cape are employing innovative strategies to address the issue. At the Waainek Mass Rearing Facility in Makhanda, scientists breed insects known as biological control agents to manage invasive water weeds, particularly species native to South America that have proliferated in South African rivers.
According to scientist Samella Ngxande-Koza, these plants block sunlight, water and air from reaching other organisms, leading to their demise. Masters student Rochelle Bessing states how they are developing methods to treat the nutrient-rich water left behind.
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