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| Rec. No. | Title | Summary | Status | Approval Date |
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L.1028
| Indicator for global-warming-potential impact as a function of ICT-equipment operating-lifetime extension | This Recommendation defines the ratio UER10 as an indicator for impact of ICT equipment operating-lifetime extension on the resulting global-warming potential (GWP). UER10 can help the practitioner to get an idea of the relative significance of use stage greenhouse gas (GHG) emissions vs embodied emissions of a product over its lifetime. | Consented / Determined | na |
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L.1071
| A model for digital product passport information on sustainability and circularity | The present document relates to, builds on, and complements Recommendation ITU T L.1070 and the ETSI TS 103 881 standards, which define opportunities for a global digital sustainable product passport to achieve a circular economy.
This Recommendation aims to define an information model to describe environmental sustainability and circularity information details about ICT goods (products) in a digital form to be part of a digital product passport as environmental information, that can be compared with information requirements in relevant environmental sustainability and circularity standards, specifically ETSI standards and ITU-T Recommendations. The information details can represent products at any time of their circular lifespan: design, manufacturing, use, hardware changes, and final recycling as e-waste. Several product-related standards can be expressed as a list of environmental information templates. The matching of product information to standards information for checking the alignment of products with different standards when relevant.
The aim is to harmonize with and complement upcoming regional (European digital product passport) and global (UNECE B2B digital product passport) standards. This Recommendation is technically aligned with an ETSI standard. | Consented / Determined | na |
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L.1310
| Energy efficiency metrics and measurement methods for telecommunication equipment | Recommendation ITU-T L.1310 contains the definition of energy efficiency metrics test procedures, methodologies and measurement profiles required to assess the energy efficiency of telecommunication equipment.
Energy efficiency metrics and measurement methods are defined for telecommunication network equipment and small networking equipment.
These metrics allow for the comparison of equipment within the same class, e.g., equipment using the same technologies.
The comparison of equipment in different classes is out of the scope of this Recommendation. | Consented / Determined | na |
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L.1410
| Methodology for environmental life cycle assessments of information and communication technology goods, networks and services | Recommendation ITU-T L.1410 deals with environmental life cycle assessments (LCAs) of information and communication technology (ICT) goods, networks and services. It is organized in two parts:
• Part I: ICT life cycle assessment: framework and guidance
• Part II: “Comparative analysis between ICT and reference product system (Baseline scenario); framework and guidance”.
Part I deals with the life cycle assessment (LCA) methodology applied to ICT goods, networks and services. Part II deals with comparative analysis based on LCA results of an ICT goods, networks and services product system, and a reference product system. | Consented / Determined | na |
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L.1472
| Requirements for the creation of an ITU database on energy consumption and GHG emissions of the ICT sector | This Recommendation provides the requirements to support the creation of an International Telecommunication Union (ITU) database on greenhouse gas (GHG) emissions of the Global information and communication technology (ICT) sector at worldwide level and at a national level. The guidance is intended to support ITU in establishing such a database. | Consented / Determined | na |
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L.1017
| Environmental performance scoring of smartphones | This Recommendation provides a standardized method to measure and assess the environmental performance of smartphones. It includes a method to evaluate an aggregate score, reflecting the overall environmental performance considering material efficiency and Life Cycle Assessment (LCA) aspects. This Recommendation aims to evaluate the following attributes of a smartphone:
- Durability;
- Reparability, reusability and upgradeability;
- Recyclability and recoverability;
- Use of hazardous or restricted substances;
- Use of recycled materials;
- Characteristics of the product packaging;
- Environmental impact considerations.
| Approved | 2024-08-29 |
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L.1260
| Reference model of a factory energy management system | Recommendation ITU-T L.1260 presents a reference model for a factory energy management system that is operated to efficiently manage energy consumed in the factory. A factory energy management system should provide functions such as data collection and control, data processing and analysis, energy services, system management, and security. The factory energy management system may be provided as a cloud computing service or operated on-site, depending on the factory's operating situation and environment. | Approved | 2024-08-29 |
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L.1327
| Guidelines on the selection of cooling technologies for data centres in multiple scenarios | Recommendation ITU-T L.1327 describes a universal data centre-cooling technology selection method at its current industry development stage by matching detailed analysis of such technology and typical application scenarios.
(1) Industry mainstream data centre-cooling system solutions are categorized and summarized, and their technical principles, characteristics and routes analysed in detail to provide a basis for technology selection.
(2) The complete cooling system is then divided into a number of processing components, and key factors affecting their performance are identified by analysing their technical principles.
(3) Common data centre application scenarios are then classified from different dimensions, excluding those that have little or no impact on cooling, to identify appropriate scenarios for the performance of each processing component in a cooling system.
(4) Single dimensional application scenarios are integrated into those that are multi-dimensional in line with the actual situation. Corresponding cooling system processing components are then integrated into a complete cooling programme to finalize technology selection for a data centre project.
Current data centre-cooling technology presents complex, diverse and fast update characteristics, there are many factors affecting actual application of cooling technology and data centres are usually faced with multi-dimensional and complex scenarios. A selection method for appropriate cooling technology in different application scenarios has become key to the safe energy-saving operation of a data centre. | Approved | 2024-08-29 |
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L.1384
| Implementation of a virtual micro power station at base station sites | This Recommendation provides technical specification on how utilize energy storage system installed in base stations sites to realize a coordination optimization to participate in power grid dispatching as a virtual power plant.
This solution help site owner to build a virtual micro power station with telecommunication base station energy storage system, in this way site owner can significantly reduce the construction and operation cost of power feeding system for the base station sites, contribute to reduce the carbon emissions of energy sector improving the integration of renewable sources in grid, and achieve optimal energy scheduling.
| Approved | 2024-08-29 |
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L.1490
| Framework and functional requirements of greenhouse gas emissions management system using digital technology for public sector | With the frequent occurrence of extreme climate events around the world, it has become a global consensus to deal with climate change, and countries have stepped up efforts to manage and control their GHG emissions. The rapid development of ICT provides an effective tool for GHG management. By applying big data, cloud computing, and other ICT to build a GHG emission management system, the public sector can more accurately quantify, monitor and manage regional GHG emissions, thereby achieving data-driven decision support. This Recommendation proposes a GHG emissions management using ICT for public sector, and specifies the requirements for system construction principles, framework and functional requirements. | Approved | 2024-08-29 |
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L.1632
| Identification method for building infrastructure equipment in a sustainable city | Buildings are one of the major key city assets and it is important to effectively and easily manage the building infrastructure in order to realize a sustainable city. There exist a number of equipment at the building infrastructures. The building infrastructure management systems are separately utilized for the dedicated infrastructure management services in terms of efficiency, safety, and sustainability. Buildings may have different management systems depending on the type of the facility such as firefighting management system, energy management system, electrical safety management system, and building automation system. The different management systems use the separate identification method, so the different methods may cause the inefficiency and inconvenience for managing the many equipment at the building. In order to realize a sustainable city, it is important to efficiently manage a number of equipment within a city. By allocating identifiers to the equipment in buildings, the city asset management system in a sustainable city can improve the manageability. This draft Recommendation defines the identification method for equipment at the building infrastructure which improves the manageability and interworking among facilities at the building. The identification method includes the identifier structure and identifier management procedure which are easily recognizable, understandable mapping between identifier and device, consistency in the equipment category. The identification method defined in this Recommendation is used within a building infrastructure and can be operated in conjunction with the city-level identification system that uniquely identifies the city assets such as buildings, energy resources, etc. Therefore, it can help realize a sustainable city. | Approved | 2024-08-29 |
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L.1031
| Guideline for the development of an e-waste management system and achieving the e-waste targets of the Connect 2030 Agenda | Recommendation ITU-T L.1031 describes a three-step approach to achieve the e-waste targets set in the Connect 2030 Agenda. These steps consist of guidance on developing an e-waste inventory, approaches to design e-waste prevention and reduction programmes and the supportive measures required for successfully implementing the Connect 2030 e-waste targets.
This Recommendation is intended to be utilized by relevant stakeholders, for example: national authorities in charge of ICTs and communications, e-waste and waste management authorities, ministries of the environment, local authorities and entities involved in e-waste management, to take their first step in addressing Target 3.2 of the Connect 2030 Agenda that is to increase the global e-waste recycling rate to 30% and Target 3.3 that is to raise the percentage of countries with e-waste legislation to 50%. | Approved | 2024-06-22 |
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L Suppl. 44
| Guidelines on best practices and environment-friendly policies for effective information and communication technology deployment methods | 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 adapting to climate change", Supplement 44 to ITU-T L-series Recommendations identifies best practices and opportunities for new applications using information and communication technologies (ICTs) to foster environmental sustainability, identify appropriate actions and promote best practices towards implementing environmental friendly policies and practices.
Supplement 44 to ITU-T L-series Recommendation also includes a questionnaire that has been developed to gather relative information from stakeholders for use cases and key success factors, including exemplary collection of green best practices to ultimately formulate guidelines on best practices and environment friendly policies for effective ICT deployment methods. | Approved | 2024-06-21 |
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L Suppl. 60
| Example of a life cycle assessment (LCA) of a mobile phone | This supplement shows how an LCA of an ICT good, a mobile phone, is performed by an ICT manufacturer, based on Recommendation ITU-T L.1410.
For compliance with ITU-T L.1410 all body text and annexes need to be considered when performing an LCA, i.e., this example is fully compliant with Recommendation ITU-T L.1410 as described in clause 5.2 except for a few deviations listed in the 'Reporting' clause 5.12 below. | Approved | 2024-06-21 |
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L.1307
| Energy efficiency in micro data centres for edge computing | With the advent of the artificial intelligence era, the demands for edge computing to provide ultra-low latency for various services that require high computation power continue to grow. The demand for micro data centres, an essential item of equipment for delivering edge computing services near users, is also growing. Recommendation ITU-T L.1307 presents considerations on micro data centres for edge computing services in energy efficiency aspects. In addition, it presents the management information needed to manage micro data centres' energy efficiency and provides a metric for evaluating the energy performance of micro data centres. Finally, it presents energy efficiency issues in the operation of edge computing services and methods to address them.
| Approved | 2024-03-08 |
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L.1640
| Methodology for dynamic monitoring and analysis of greenhouse gas emissions in cities | Recommendation ITU-T L.1640 presents the necessary conditions for implementing near-real-time greenhouse gas (GHG) monitoring in cities, with updates provided shortly after data collection rather than instantly (real-time), to support the sustainable development strategy and planning of the city. Compared to existing research or standards, near-real-time greenhouse gas data in cities can present high temporal resolution characteristics of urban emissions (hourly or daily), enabling better identification of spatial and temporal hotspots. This can help city managers formulate more effective emission reduction policies.
Recommendation ITU-T L.1640 presents the general principles on data collection, data processing, data fusion, and monitoring and analysing of GHG emissions of cities and outlines the different methodologies that are being developed:
–Sources for near-real-time city data collection, and its processing and fusing.
–Key steps for city near-real-time GHG calculation and attribution analysis.
–Optimization strategy for city sustainable planning.
| Approved | 2024-02-22 |
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L.1362
| Power management capabilities of the future energy telecommunication network nodes – Enhanced interface for power management in network function virtualization environments | Recommendation ITU-T L.1362 specifies a data model for energy discrete states within virtualized networks, and operations to interact on this model.
In virtualized networks, establishing a mapping between the energy discrete states of logical entities (e.g., virtualized network functions) and the energy consumption of the hardware hosting the virtual machines that execute these logical entities is a challenging task. Recommendation ITU-T L.1362 adapts the green abstraction layer (GAL) specification (ETSI ES 203 237) to virtualized networks.
| Approved | 2024-01-13 |
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L.1391
| Specification of IMT-2020 network sharing and co-construction adapting to climate change mitigation | Recommendation ITU-T L.1391 specifies IMT-2020 (also known as 5G) network sharing and coconstruction (NSCC) and their contribution to climate change mitigation, identifies their key technologies and specifies how to assess NSCC in their adaptation to climate change. Recommendation ITU-T L.1391 also addresses the cost-benefit analysis and best practice for IMT2020 NSCC.
Mobile network operators around the world are facing unprecedented difficulties in IMT-2020 deployment. Restricted by expensive spectrum resources, the need for high investment and high energy consumption of IMT-2020, the profit gap between operators and equipment manufacturers is growing, and a large number of problems related to business increment with no increase in revenue are arising. Methods of reduction in the cost of network construction and operation, adaptation to climate change mitigation and enablement of the rapid benefits of IMT-2020, especially in underdeveloped communications regions, present major challenges to the global industry and operators.
| Approved | 2024-01-13 |
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L.1508
| Framework for climate change adaptation in coastal cities using information and communication technology and digital technologies | Recommendation ITU-T L.1508 supports coastal cities and areas to adopt information and communication technologies, as well as digital transformation, to provide innovative solutions for accelerating climate adaptation and enhance climate resilience.
Coastal cities and areas are particularly vulnerable to the impacts of climate change, including flooding, rising sea level, storm surge, precipitation, and more. The frequency and intensity of these impacts continue to deepen, as a result of climate change. It is, therefore, imperative that coastal cities and areas proactively take climate adaptation actions to minimize these impacts.
| Approved | 2024-01-13 |
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L Suppl. 59
| ITU-T L.1700 series – Low-cost sustainable telecommunication solution in rural and remote areas using WLAN/Wi-Fi for conventional telecom services like voice calling using SIP | Supplement 59 to ITU-T L-series Recommendations provides a low-cost sustainable solution in rural and remote areas using WLAN/Wi-Fi for conventional telecom services such as voice calling using session initiation protocol (SIP). Access to communication and information and communication technology (ICT) infrastructure in rural areas of most developing countries is still a challenge. The inadequacy of crucial infrastructure like electricity in rural and remote areas presents a significant problem. Deployment of telecommunication solutions which are low-cost and low maintenance and that can be deployed easily is an inevitability in such cases. WLAN/Wi-Fi network infrastructure, configured to provide traditional telecom services such as voice calling, being an overall low-cost solution can prove to be viable in such cases in order to provide low-cost sustainable telecommunication.
| Approved | 2023-11-22 |
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L.1070
| Global digital sustainable product passport opportunities to achieve a circular economy | Recommendation ITU-T L.1070 provides an overview of global and common opportunities to represent sustainability, mainly environmental related (including human health), details about digital technology products, either collective information and communication technology (ICT) product models, batches or individual product items. These product details are intended for representation in digital format instead of on paper. The details can represent design-related information, products at the time of manufacturing, including relevant information for product transparency and a potential for a circular lifecycle, such as details related to the origin of materials composition, design, manufacturing, energy consumption, maintenance, repair, preparation for reuse, final recycling and may include links to related documentation. Product details can include or relate to information that changes over the lifespan of a product as a result of reconfiguration events, including repair, upgrade, usage, sale and final recycling. The details should exclude any personal or business-sensitive information.
Recommendation ITU-T L.1070 provides an overview of sustainability opportunities, environmental related, about product-related digital information common to all ICT products, with global scope for harmonization, i.e., relevant to any region, that can support the development of the circular economy of ICT products. Product-related digital information can be represented under digital technology, such as product identifiers, data formats, linked data and system architectures. It relates to and can complement regional and global standards.
| Approved | 2023-11-06 |
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L.1241
| Methodologies for evaluating the functionality and performance of power supply units configured for servers | Recommendation ITU-T L.1241 provides comprehensive evaluation methods of power supply units configured for servers to evaluate electrical performances, functionalities and safety aspects.
| Approved | 2023-09-22 |
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L.1631
| Reference model for firefighting infrastructure management systems for buildings in sustainable cities | Recommendation ITU-T L.1631 provides an overview of a firefighting infrastructure management system (FIMS), defines the reference model of the FIMS, and provides use cases for the FIMS for buildings in sustainable cities.
| Approved | 2023-09-22 |
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L.1023
| Assessment method for circularity performance scoring | Recommendation ITU-T L.1023 outlines an assessment method for circularity scoring of information and communication technology (ICT) goods. The assessment method consists of three steps:
1) Setting the relevance and applicability (R) of each circularity indicator for the ICT goods at hand.
2) Assessing the margin of improvement (MI) of each circularity indicator.
3) Calculating the circularity score (score) from 0 to 100% for the ICT good at hand for all three circularity aspects. This includes:
–Using a predefined value matrix to identify the % score from 0 to 100 for each combination of R×MI.
–Calculating the average of the included circularity indicators for the ICT good at hand separately for all three circularity aspects: product durability, ability to recycle, repair, reuse, and ability to upgrade from equipment and manufacturer level. | Approved | 2023-08-13 |
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L.1027
| Assessment of material efficiency of ICT network infrastructure goods (circular economy) – Server and data storage product disassembly and disassembly instruction | Recommendation ITU-T L.1027 contains methods to assess the ability to disassemble certain key components of servers and data storage products, and the provision of information on these disassembly operations. It places a special emphasis on aspects relevant to the circular economy, such as fostering durability and reparability, in particular by third parties.
| Approved | 2023-08-13 |