**4. The global food supply chain: food losses and waste**

The global food waste challenge concerns about over escalating emissions of Green House Gas and other impacts of environment associated with food waste [20],

**Figure 1.** *Waste prevention and waste management.*

as a priority waste stream, food waste is identified by growing number of policies (national and regional) [21–23]. In high range the food amount wasted in the global food supply chain (FSC) that could have otherwise been used to feed people food security is constantly pressing global issue and raises questions about it [24].
