Food waste

Levels of food waste are likely worse than previously though, said Monika van den Bos Verma of Wageningen University.

"This is a big deal," said lead scientist James Tour. "The world throws out 30 percent to 40 percent of all food, because it goes bad, and plastic waste is of worldwide concern."

Bea Johnson, author of 'Zero Waste Home,' shared her top tips for curbing waste at the holidays with Newsweek.

Up to 40 percent of edible food in America currently goes into the trash, according to the Natural Resources Defense Council, often because consumers store food incorrectly or misunderstand what the "best before" dates on food labels really mean.

Despite the over 126 billion pounds of food produced in the United States, over 40 million Americans do not know where their next meal is coming from. One student's selfless act before winter break transformed into food security for thousands in his community.

Around a third of the food produced in the world is never eaten, and food systems account for 20-30 percent of greenhouse gas emissions.

The company had attempted a new waste management technique that "didn't work out so well."

The quantity of wasted food amounts to around 30% of the average daily calories that each U.S. citizen consumes, the paper shows.

This new and sustainable process for making fuel is based on how our bodies work.

Last year, 6 million turkeys were wasted.

The new documentary may make you think before you throw away your leftover food.

Food banks bring immediate relief, but they don't address the root causes of food poverty.

Too Good to Go delivers meals that would have been thrown away in a bid to tackle food waste.

Here's an idea: Practice some restraint at the supermarket.

Reducing food waste could save U.K. businesses £300 million a year.

The availability of free food has greatly increased the population of these birds.

Britain's biggest supermarket aims to eradicate all its food waste by 2017.