Independent: As much as half of all the food produced in the world - two billion tonnes worth - ends up being thrown away, a new report claims. The waste is caused by poor infrastructure and storage facilities, over-strict sell-by dates, "get-one-free" offers, and consumer fussiness, according to the Institution of Mechanical Engineers. Each year countries around the world produce some four billion tonnes of food. But between 30% and 50% of this total, amounting to 1.2 to two billion tonnes, never gets eaten,...