The food we eat is under threat. There's less arable land and more people to feed than ever before. Add to that the fact that everything we produce leaves a carbon footprint. Greenhouse gases are created in the way we grow, harvest, ship, store, package, cook and dispose of the food we eat. So how do we make our food safe and sustainable yet reduce our carbon footprint – or foodprint? This story looks at various innovative concepts people are using to produce and dispose of food while reducing the carbon consequences.