Disclosure, I work for a startup that turns this into a circular food production system, from food waste, via insects to fish and vegetables via aquaponics.
[1] EU rules say eggs should be marked “Best before date” as 28 days after they have been laid, but stored propperly they are good for at least double that time. (Swedish) http://www.svenskaagg.se/?p=19895 In the UK supposedly 720 million eggs are thrown away each year. https://www.independent.co.uk/life-style/food-and-drink/eggs...
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