The cheese sponge method is not only creative but also effective. 5 innovative ways scientists are tackling food waste first ...

A new brand called Floura aims to tackle two problems: the fact that most Americans don't eat enough fiber, and the 80 million tons of food waste thrown out each year.

Last tip, any food waste, which can't be eaten ... So something you can do with eggshells, if you crush them up, they're really good for the compost, but they can take a long time to break ...