If wasted food became its own pungent country, it would be the world’s third biggest contributor to climate change.

The United Nations Food and Agriculture Organization had previously determined that roughly one-third of food is wasted around the world. Now it has used those figures to calculate the environmental impacts of farming food that is never eaten, along with the climate-changing effects of the methane that escapes from food as it rots.

The results, published in a new report, were as nauseating as a grub-infested apple: