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 Freegans are anti-consumerist individuals employ alternative living strategies based on “limited participation in the conventional economy and minimal consumption of resources. Amongst other they salvage discarded but unspoiled food that has passed its best by date, as a political statement not because they are poor or homeless. This seems a very weird and almost [...] Energy and Food Waste are becoming major issues in Africa at present, with warning of dire consequences if the existing trends continue. One technology that sits at the intersection of these sectors is the treatment of processing waste using anaerobic digestion – or biogas. Biogas is a simple process that is used at household level [...] |
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