People have relied on buried reservoirs of clean, life-giving water for thousands of years. But there are limits to how much can be sucked out of the ground before the wells run dry – or other unpredictable problems emerge.
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People have relied on buried reservoirs of clean, life-giving water for thousands of years. But there are limits to how much can be sucked out of the ground before the wells run dry – or other unpredictable problems emerge.
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Built in the 1950s to generate electricity, Lake Kariba in Zambia and Zimbabwe has since supported activities such as tourism, fishing and conservation.
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Most people would agree that invasive plants are unwanted.
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In South Africa, a water-scarce country, groundwater is a vital supply for small towns and commercial farming.
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Climate change is underway, and human activities such as urbanisation, industrialisation and food production are key contributors. Food production alone accounts for around 25% of global carbon emissions. Ironically, the changing weather patterns and more frequent extreme weather events resulting from climate change also put the world’s food supplies at risk.
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South Africa’s worsening water crisis is no longer just about taps running dry; it is now directly linked to growing fears of food insecurity.
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