Marks & Spencer have provided an update on their Plan A (a five-year ‘eco-plan’) and say that 17 of their 100 commitments have already been delivered. One of the more progressive achievements has been to turn food-waste into power.

In November 2007 they started to use food waste to power some of their stores using an anaerobic digester which takes household food waste and converts it into electricity. They also want to turn farm fodder into energy too: an anaerobic digester will be located on a farm later this year and will be fuelled by cow slurry and agricultural crops.

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