Sainsbury's supermarket chain will become the first supermarket to send all its food waste for anaerobic digestion the process that decomposes food waste to release biogas which can then be used to produce electricity. Most other supermarkets are doing this as well, Asda is already sending 25,000 tons of food waste for anaerobic digestion. The benefit of this is that landfill food waste produces methane gas that is 21 times worse for global warming than carbon dioxide. South Korea and Japan recognised the value of this technology and developed state of the arts facilities to utilise food waste. Read more ...
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