In this paper, we highlighted the importance of integrating environmental goals into the production system. We recommend the establishment of closed-loop production systems in a supply chain level. To realize closed-loop production systems, we introduced the concept of sustainable supply chain networks. With a SSCN, it is possible to shift successfully from a flow economy to a circular economy by combining environmental and economic issues, thereby improving eco-efficiency.
Standard passport processing generally takes between four to six weeks, but it can take longer during peak travel times.
The estimated time set by the State Department to process your passport is four to six weeks. Renewal of passports can be done through mail, but first time applications should be done in person. You can apply for a passport at designated circuit court offices, regional federal buildings, and post offices.