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.
When applying for a passport during the busy travel season. Getting your passport process either expedite or routine would usually take longer as the volume of passport application increases and the wait time for the passport would also increase as well. How long does it take to get a passport? If you are looking to renew a passport or maybe a child, the processing time with the post offices is usually 4-6 weeks. If you are looking to have the process expedited with the post offices then the waiting time is usually 2-3 weeks. Regular and Rush Passport Processing Times. When talking about how long it takes to get a passport in the US, there are two major times that you need to concern yourself with.