Wasted food due to spoilage is a critical resource issue. Food waste or food loss is food that is discarded or lost uneaten. Currently, in the world, according to the Food and Agriculture Organization of the United Nations (FAO), consumers waste about 1.3 billion tons of food annually and consumers in rich countries waste about 222 million tons of food products Once food products are purchased and set aside in a refrigerator , the users do not alert about their food items' expiration date and/or freshness unless they individually examine and track them. Moreover, for food An improved algorithm to fire detection in forest by using wireless sensor networks Abdulsahib, G.M. Khalaf, O.I. View all related documents based on references