Zhangzidao Fishery Group, a Chinese aquaculture company, recycles uneaten fish feed to fertilise crops.

ECONOMIST: Schumpeter

After ten minutes, she rolled the table away from the bed and took the uneaten food from the room.

NEWYORKER: The Visitor

Several years ago, noticing uneaten fruit piling up in our office as holiday gifts from vendors, I wondered how much we spent for cards, fruit, nuts and candy for customers.

FORBES: Customer Appreciation And Charities

Sonesson notes that the majority of uneaten food in places like Sub-Saharan Africa is created at the point of production, largely as a consequence of things like spoiled crops or poor refrigeration.

CNN: June 27, 2012 -- Updated 1104 GMT (1904 HKT)

Before making the switch, PricewaterhouseCoopers encouraged its employees to follow some basic rules of etiquette, reminding them, for instance, not to leave uneaten food in someone else's office and urging them to replace office supplies they used.

WSJ: Warming Up to the Officeless Office