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Catching on: Biogas production is starting to find traction in South Africa with companies such as Elgin Fruit Juices and PepsiCo’s Simba chips plant as well as small-scale farmers and schools. Photo: Supplied
ALUMINIUM

Climate crisis: Look to circular economies

Producing cement, plastic, steel, aluminium and food causes greenhouse gases, but a circular economy can reduce emissions

  • Helen Grange
7 min read