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.
It usually takes four to six weeks for a passport application to be processed. This time frame can be too long when you are planning a last minute trip. Luckily, the U.S. government also offers expedited passports, which take just two to three weeks to process.ip. 1  Verify the type of payment acceptable at the passport acceptance agency. 2  Passport photos must be 2 x 2 inches, in color, printed on quality paper, taken with a neutral expression and taken so that the head is 1 to 1 3/8 inches from the bottom of the chin to top of the head.