Compared to copper-based networks, optical fiber reduces energy consumption by up to 54%, reduces operational costs due to lower maintenance requirements, and offers high-performance and high reliability that lasts a lifetime. In accordance with the instructions and directives of WTSA-16 on Resolution 73, "Study Group 5 is to develop an appropriate Recommendation on ICTs, the environment and climate change issues within the mandate and competency of ITU-T, including telecommunication networks used for monitoring and. With the growing global deployment of Fiber-to-the-Home (FTTH) networks driven by the demand for ensuring high-capacity broadband services, mobile network operators (MNOs) face challenges of excessive energy consumption (EC) of wired optical access networks (OANs). This paper presents a. re defined to quantify the performance of the service delivered by a product to the user. Less often talked about is the embodied carbon of optical fiber, which. To the maximum extent permitted by law, WBBA and its afiliates, oficers, directors, employees, and agents disclaim any liability (including, without limitation, any liability arising from fault or negligence) as to the accuracy or completeness or use of the WBBA Materials. 7% of global carbon emissions, thereby significantly contributing to global climate change.