Supermarkets and farms have acted to ensure they discard fewer "ugly" and "wonky" fruit and vegetables. However, the bulk of the problem lies with households.
Once crops have been harvested, farmers experience wastage and loss of food all over Africa.
Hexanal, a chemical produced naturally by fruits and vegetables, may help keep produce fresher for longer.
In the UK the equivalent of four million Christmas dinners are wasted every year.
Research shows that when Americans are aware of the scale of food waste, and how much energy and water are used to produce food, they support measures to reduce the problem.
Leftover lactose from cheese production shows early promise as a treatment that can help soils retain water and nutrients, making them more resistant to drought.
There is something deeply irrational about the food waste movement.
Food is not waste until it's wasted.
Two of the world's problems – obesity and waste – can be reduced together.
Social supermarkets help those struggling from food poverty – but they mask our broken food system.
The case of the start-up Phenix shows that the fight to reduce food waste requires a regulatory context that encourages innovation at the level of the business ecosystem.
There's plenty of evidence that modern swill-feeding would be safe, sustainable, and popular.
Food is just food ... or is it?
Canadians are a wasteful bunch, especially during the holidays. Redesign your holidays this year to cut back on garbage and food waste.
Young people are taking to bins to protest food waste.
The fate of turkey tails shows how Americans have shifted from eating whole animals to focusing on choice cuts – and the surprising places where unwanted parts end up.
Foodbanks were originally established as a temporary measure to alleviate food insecurity. But have they become an excuse for governments not to deal properly with the problem?
Australia feeds tens of millions, at home and abroad. But if our population doubles by 2061, as some projections suggest, we'll need some smart strategies to keep those people fed.
New research shows most people try to shop and cook carefully – the real problem with food waste is infrastructure.
Recycling leftovers from supermarkets does not address the roots of food poverty and removes responsibility from the government.