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Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
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L.15

Optical local distribution networks - Factors to be considered for their construction  

L.58

Optical fibre cables: Special needs for access network  

L.340

Maintenance of underground telecommunication facilities  

L.Sup39

ITU-T L.1470 - Optical fibre cable Recommendations and standardization guideline  

L.Sup38

ITU-T L.1470 - Guidance to information and communication technology manufacturers on setting 1.5°C aligned targets compliant with Recommendation ITU-T L.1470  

L.Sup57

ITU-T L.1420 - Scope 3 guidance for telecommunication operators  

L.Sup59

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  

L.1640

Methodology for dynamic monitoring and analysis of greenhouse gas emissions in city  

L.1

Construction, installation and protection of telecommunication cables in public networks  

L.2

Impregnation of wooden poles  

L.3

Armouring of cables  

L.4

Aluminium cable sheaths  

L.5

Cable sheaths made of metals other than lead or aluminium  

L.6

Methods of keeping cables under gas pressure  

L.7

Application of joint cathodic protection  

L.8

Corrosion caused by alternating current  

L.9

Methods of terminating metallic cable conductors  

L.10

Optical fibre cables for duct and tunnel application  

L.11

Joint use of tunnels by pipelines and telecommunication cables, and the standardization of underground duct plans  

L.12

Optical fibre splices  

L.13

Performance requirements for passive optical nodes: Sealed closures for outdoor environments  

L.14

Measurement method to determine the tensile performance of optical fibre cables under load  

L.16

Conductive plastic material (CPM) as protective covering for metal cable sheaths  
This Recommendation was deleted on 2011-07-08. Conductive plastic materials have not been used in the telecommunication cable industry for 20 years; therefore, there is no longer any need to standardize CPM.

L.17

Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres  

L.18

Sheath closures for terrestrial copper telecommunication cables  

L.19

Multi-pair copper network cable supporting shared multiple services such as POTS, ISDN and xDSL  

L.20

Creation of a fire security code for telecommunication facilities  

L.21

Fire detection and alarm systems, detector and sounder devices  

L.22

Fire protection  

L.23

Fire extinction - Classification and location of fire extinguishing installations and equipment on premises  

L.24

Classification of outside plant waste  

L.25

Optical fibre cable network maintenance  

L.26

Optical fibre cables for aerial application  

L.27

Method for estimating the concentration of hydrogen in optical fibre cables  

L.28

External additional protection for marinized terrestrial cables  

L.29

As-laid report and maintenance/repair log for marinized terrestrial cable installation  

L.30

Markers on marinized terrestrial cables  

L.31

Optical fibre attenuators  

L.32

Protection devices for through-cable penetrations of fire-sector partitions  

L.33

Periodic control of fire extinction devices in telecommunication buildings  

L.34

Installation of Optical Fibre Ground Wire (OPGW) cable  

L.35

Installation of optical fibre cables in the access network  

L.36

Single-mode fibre optic connectors  

L.37

Optical branching components (non-wavelength selective)  

L.38

Use of trenchless techniques for the construction of underground infrastructures for telecommunication cable installation  

L.39

Investigation of the soil before using trenchless techniques  

L.40

Optical fibre outside plant maintenance support, monitoring and testing system  

L.41

Maintenance wavelength on fibres carrying signals  

L.42

Extending optical fibre solutions into the access network  

L.43

Optical fibre cables for buried application  

L.44

Electric power supply for equipment installed as outside plant  

L.45

Minimizing the effect on the environment from the outside plant in telecommunication networks  

L.46

Protection of telecommunication cables and plant from biological attack  

L.47

Access facilities using hybrid fibre/copper networks  

L.48

Mini-trench installation technique  

L.49

Micro-trench installation technique  

L.50

Requirements for passive optical nodes: Optical distribution frames for central office environments  

L.51

Passive node elements for fibre optic networks - General principles and definitions for characterization and performance evaluation  

L.52

Deployment of Passive Optical Networks (PON)  

L.53

Optical fibre maintenance criteria for access networks  

L.54

Splice closure for marinized terrestrial cables (MTC)  

L.55

Digital database for marine cables and pipelines  

L.56

Installation of optical fibre cables along railways  

L.57

Air-assisted installation of optical fibre cables  

L.59

Optical fibre cables for indoor applications  

L.60

Construction of optical/metallic hybrid cables  

L.61

Optical fibre cable installation by floating technique  

L.62

Practical aspects of unbundling services by multiple operators in copper access networks  

L.63

Safety procedures for outdoor installations  

L.64

ID tag requirements for infrastructure and network elements management  

L.65

Optical fibre distribution of access networks  

L.66

Optical fibre cable maintenance criteria for in-service fibre testing in access networks  

L.67

Small count optical fibre cables for indoor applications  

L.68

Optical fibre cable maintenance support, monitoring and testing system for optical fibre cable networks carrying high total optical power  

L.69

Personal digital assistant requirements and relevant data structure for infrastructure and network elements management  

L.70

Managing active electronics in the outside plant  

L.71

Design, construction, and installation of network cables for broadband access including metallic networks connected to optical fibre networks  

L.72

Databases for optical access network infrastructure  

L.73

Methods for inspecting and repairing underground plastic ducts  

L.74

Maintenance of cable tunnels  

L.75

Test, acceptance and maintenance methods of copper subscriber pairs  

L.76

Copper loop requirements for various technologies including indoor and structured cabling  

L.77

Installation of optical fibre cables inside sewer ducts  

L.78

Optical fibre cable construction for sewer duct applications  

L.79

Optical fibre cable elements for microduct blowing-installation application  

L.80

Operations support system requirements for infrastructure and network elements management using ID techonology  

L.81

Monitoring systems for outside plant facilities  

L.82

Optical cabling shared with multiple operators in buildings  

L.83

Low impact trenching technique for FTTx networks  

L.84

Fast mapping of underground networks  

L.85

Optical fibre identification for the maintenance of optical access networks  

L.86

Considerations on the installation site of branching components in passive optical networks for fibre to the home  

L.87

Optical fibre cables for drop applications  

L.88

Management of poles carrying overhead telecommunication lines  

L.89

Design of suspension wires, telecommunication poles and guy-lines for optical access networks  

L.90

Optical access network topologies for broadband services  

L.92

Disaster management for outside plant facilities  

L.93

Optical fibre cable maintenance support, monitoring and testing systems for optical fibre trunk networks  

L.94

Use of global navigation satellite systems to create a referenced network map  

L.100

Optical fibre cables for duct and tunnel application  

L.101

Optical fibre cables for buried application  

L.102

Optical fibre cables for aerial application  

L.103

Optical fibre cables for indoor applications  

L.104

Small count optical fibre cables for indoor applications  

L.105

Optical fibre cables for drop applications  

L.106

[Withdrawn] Optical fibre cables: Special needs for access network  
This Recommendation was withdrawn on 14 March 2024 becuase its contents had become obsolete.

L.107

Optical fibre cable construction for sewer duct applications  

L.108

Optical fibre cable elements for microduct blowing-installation application  

L.109

Construction of optical/metallic hybrid cables  

L.109.1

Type II optical/electrical hybrid cables for access points and other terminal equipment  

L.110

Optical fibre cables for direct surface application  

L.111

Optical fibre cables for in-home applications  

L.125

Measurement method to determine the tensile performance of optical fibre cables under load  

L.126

Method for estimating the concentration of hydrogen in optical fibre cables  

L.150

Installation of optical fibre cables in the access network  

L.151

Installation of optical ground wire cable  

L.152

Use of trenchless techniques for the construction of underground infrastructures for telecommunication cable installation  

L.153

Mini-trench installation technique  

L.154

Micro-trench installation technique  

L.155

Low impact trenching technique for FTTx networks  

L.156

Air-assisted installation of optical fibre cables  

L.157

Optical fibre cable installation by floating technique  

L.158

Installation of optical fibre cables along railways  

L.159

Installation of optical fibre cables inside sewer ducts  

L.160

Optical cabling shared with multiple operators in buildings  

L.161

Protection of telecommunication cables and plant from biological attack  

L.162

Microduct technology and its applications  

L.163

Criteria for optical cable installation with minimal existing infrastructure  

L.200

Passive node elements for fibre optic networks - General principles and definitions for characterization and performance evaluation  

L.201

Performance requirements for passive optical nodes: Sealed closures for outdoor environments  

L.202

Requirements for passive optical nodes: Optical distribution frames for central office environments  

L.203

Electric power supply for equipment installed as outside plant  

L.204

Managing active electronics in the outside plant  

L.205

Joint use of tunnels by pipelines and telecommunication cables, and the standardization of underground duct plans  

L.206

Requirements for passive optical nodes - Outdoor optical cross-connect cabinet  

L.207

Passive node elements with automated ID tag detection  

L.208

Requirements for passive optical nodes - Fibre distribution box  

L.209

Requirements for fibre optic network terminal box (FONT)  

L.210

Requirements for passive optical nodes - Optical wall outlets and extender boxes  

L.250

Topologies for optical access network  

L.251

Databases for optical access network infrastructure  

L.252

Considerations on the installation site of branching components in passive optical networks for fibre to the home  

L.253

Access facilities using hybrid fibre/copper networks  

L.254

Practical aspects of unbundling services by multiple operators in copper access networks  

L.255

Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres  

L.256

Minimizing the effect on the environment from the outside plant in telecommunication networks  

L.257

Investigation of the soil before using trenchless techniques  

L.258

Safety procedures for outdoor installations  

L.259

Methods for inspecting and repairing underground plastic ducts  

L.260

Fast mapping of underground networks  

L.261

Design of suspension wires, telecommunication poles and guy-lines for optical access networks  

L.262

Use of global navigation satellite systems to create a referenced network map  

L.300

Optical fibre cable network maintenance  

L.301

Maintenance wavelength on fibres carrying signals  

L.302

Optical fibre outside plant maintenance support, monitoring and testing system  

L.310

Optical fibre maintenance depending on topologies of access networks  

L.311

Optical fibre cable maintenance support, monitoring and testing systems for optical fibre trunk networks  

L.312

Optical fibre cable maintenance support, monitoring and testing system for optical fibre cable networks carrying high total optical power  

L.313

Optical fibre cable maintenance criteria for in-service fibre testing in access networks  

L.314

Optical fibre identification for the maintenance of optical access networks  

L.315

Water detection in underground closures for the maintenance of optical fibre cable networks with optical monitoring system  

L.316

Cable identification for the construction and maintenance of optical fibre cable networks by optical sensing techniques  

L.330

Telecommunication infrastructure facility management  

L.341

Management of poles carrying overhead telecommunication lines  

L.360

Operations support system requirements for infrastructure and network elements management using ID techonology  

L.361

ID tag requirements for infrastructure and network elements management  

L.362

Personal digital assistant requirements and relevant data structure for infrastructure and network elements management  

L.390

Disaster management for outside plant facilities  

L.391

Monitoring systems for outside plant facilities  

L.392

Disaster management for improving network resilience and recovery with movable and deployable information and communication technology (ICT) resource units  

L.400

Optical fibre splices  

L.401

Optical fibre attenuators  

L.402

Single-mode fibre optic connectors  

L.403

Optical branching components (non-wavelength selective)  

L.404

Field mountable single-mode optical fibre connectors  

L.430

External additional protection for marinized terrestrial cables  

L.431

As-laid report and maintenance/repair log for marinized terrestrial cable installation  

L.432

Markers on marinized terrestrial cables  

L.433

Splice closure for marinized terrestrial cables (MTC)  

L.434

Digital database for marine cables and pipelines  

L.1000

Universal power adapter and charger solution for mobile terminals and other hand-held ICT devices  

L.1001

External universal power adapter solutions for stationary information and communication technology devices  

L.1002

External universal power adapter solutions for portable information and communication technology devices  

L.1005

Test suites for assessment of the universal charger solution  

L.1006

Test suites for assessment of the external universal power adapter solutions for stationary information and communication technology devices  

L.1007

Test suites for assessment of the external universal power adapter solutions for portable information and communication technology devices  

L.1010

Green battery solutions for mobile phones and other hand-held information and communication technology devices  

L.1015

Criteria for evaluation of the environmental impact of mobile phones  

L.1016

Method for evaluation of the environmental health and safety performance of true wireless stereo headphones  

L.1020

Circular economy: Guide for operators and suppliers on approaches to migrate towards circular ICT goods and networks  

L.1021

Extended producer responsibility - Guidelines for sustainable e-waste management  

L.1022

Circular economy: Definitions and concepts for material efficiency for information and communication technology  

L.1023

Assessment method for circularity performance scoring  

L.1024

The potential impact of selling services instead of equipment on waste creation and the environment - Effects on global information and communication technology  

L.1027

Assessment of material efficiency of ICT network infrastructure goods (circular economy) - Server and data storage product disassembly and disassembly instruction  

L.1030

E-waste management framework for countries  

L.1031

Guideline for achieving the e-waste targets of the Connect 2030 Agenda  

L.1032

Guidelines and certification schemes for e-waste recyclers  

L.1033

Guidance for institutions of higher learning to contribute in the effective life cycle management of e-equipment and e-waste  

L.1034

Adequate assessment and sensitization on counterfeit information and communication technology products and their environmental impact  

L.1035

Sustainable management of batteries  

L.1036

Scheduled waste management for a base station (inclusive of e-waste)  

L.1040

Effects of information and communication technology-enabled autonomy on vehicles longevity and waste creation  

L.1050

Methodology to identify key equipment for environmental impact and e- waste generation assessment of network architectures  

L.1060

General principles for the green supply chain management of information and communication technology manufacturing industry  

L.1061

Circular public procurement of information and communication technologies  

L.1070

Global digital sustainable product passport opportunities to achieve a circular economy  

L.1100

Procedure for recycling rare metals in information and communication technology goods  

L.1101

Measurement methods to characterize rare metals in information and communication technology goods  

L.1102

Use of printed labels for communicating information on rare metals in information and communication technology goods  

L.1200

Direct current power feeding interface up to 400 V at the input to telecommunication and ICT equipment  

L.1201

Architecture of power feeding systems of up to 400 VDC  

L.1202

Methodologies for evaluating the performance of an up to 400 VDC power feeding system and its environmental impact  

L.1203

Colour and marking identification of up to 400 VDC power distribution for information and communication technology systems  

L.1204

Extended architecture of power feeding systems of up to 400 VDC  

L.1205

Interfacing of renewable energy or distributed power sources to up to 400 VDC power feeding systems  

L.1206

Impact on ICT equipment architecture of multiple AC, -48VDC or up to 400 VDC power inputs  

L.1207

Progressive migration of a telecommunication/information and communication technology site to 400 VDC sources and distribution  

L.1210

Sustainable power-feeding solutions for 5G networks  

L.1220

Innovative energy storage technology for stationary use - Part 1: Overview of energy storage  

L.1221

Innovative energy storage technology for stationary use - Part 2: Battery  

L.1222

Innovative energy storage technology for stationary use - Part 3: Supercapacitor technology  

L.1230

Specifications of 10 kVAC input and up to 400 VDC output integrated power system in data centre and telecommunication room  

L.1240

Evaluation method of safety operations and energy saving for power supply systems in telecommunication rooms or buildings  

L.1241

Methodologies for evaluating the functionality and performance of power supply units configured for servers  

L.1300

Best practices for green data centres  

L.1301

Minimum data set and communication interface requirements for data centre energy management  

L.1302

Assessment of energy efficiency on infrastructure in data centres and telecom centres  

L.1303

Functional requirements and framework of green data centre energy-saving management system  

L.1304

Procurement criteria for sustainable data centres  

L.1305

Data centre infrastructure management system based on big data and artificial intelligence technology  

L.1306

Specification of an edge data centre infrastructure  

L.1307

Energy Efficiency in Micro Data Centre for Edge Computing  

L.1310

Energy efficiency metrics and measurement methods for telecommunication equipment  

L.1315

Standardization terms and trends in energy efficiency  

L.1316

Energy efficiency framework  

L.1317

Guidelines on energy efficient blockchain systems  

L.1318

Q factor: A fundamental metric expressing integrated circuit energy efficiency  

L.1320

Energy efficiency metrics and measurement for power and cooling equipment for telecommunications and data centres  

L.1321

Reference operational model and interface for improving energy efficiency of ICT network hosts  

L.1325

Green ICT solutions for telecom network facilities  

L.1326

Requirements and use cases of liquid cooling solutions and high energy efficiency solutions for 5G BBU in centralized-RAN mode  

L.1330

Energy efficiency measurement and metrics for telecommunication networks  

L.1331

Assessment of mobile network energy efficiency  

L.1332

Total network infrastructure energy efficiency metrics  

L.1333

Carbon data intensity for network energy performance monitoring  

L.1340

Informative values on the energy efficiency of telecommunication equipment  

L.1350

Energy efficiency metrics of a base station site  

L.1351

Energy efficiency measurement methodology for base station sites  

L.1360

Energy control for the software-defined networking architecture  

L.1361

Measurement method for energy efficiency of network functions virtualization  

L.1362

Power management capabilities of the future energy telecommunication network nodes. Enhanced interface for power management in Network Function Virtualization (NFV) environments  

L.1370

Sustainable and intelligent building services  

L.1371

A methodology for assessing and scoring the sustainability performance of office buildings  

L.1380

Smart energy solution for telecom sites  

L.1381

Smart energy solutions for data centres  

L.1382

Smart energy solution for telecommunication rooms  

L.1383

Smart energy solutions for city and home applications  

L.1390

Energy saving technologies and best practices for 5G radio access network (RAN) equipment  

L.1391

Specification of 5G network sharing and co-construction adapting to climate change mitigation  

L.1400

Overview and general principles of methodologies for assessing the environmental impact of information and communication technologies  

L.1410

Methodology for environmental life cycle assessments of information and communication technology goods, networks and services  

L.1420

Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations  

L.1430

Methodology for assessment of the environmental impact of information and communication technology greenhouse gas and energy projects  

L.1440

Methodology for environmental impact assessment of information and communication technologies at city level  

L.1450

Methodologies for the assessment of the environmental impact of the information and communication technology sector  

L.1451

Methodology for assessing the aggregated positive sector-level impacts of ICT in other sectors  

L.1460

Connect 2020 greenhouse gases emissions - Guidelines  

L.1470

Greenhouse gas emissions trajectories for the information and communication technology sector compatible with the UNFCCC Paris Agreement  

L.1471

Guidance and criteria for information and communication technology organizations on setting Net Zero targets and strategies  

L.1480

Enabling the Net Zero transition: Assessing how the use of information and communication technology solutions impact greenhouse gas emissions of other sectors  

L.1481

Guidance on how to address the Connect 2030 targets on net greenhouse gas abatement  

L.1500

Framework for information and communication technologies and adaptation to the effects of climate change  

L.1501

Best practices on how countries can utilize ICTs to adapt to the effects of climate change  

L.1502

Adapting information and communication technology infrastructure to the effects of climate change  

L.1503

Use of information and communication technology for climate change adaptation in cities  

L.1504

ICT and adaptation of agriculture to the effects of climate change  

L.1505

Information and communication technology and adaptation of the fisheries sector to the effects of climate change  

L.1506

Framework of climate change risk assessment for telecommunication and electrical facilities  

L.1507

Use of ICT sites to support environmental sensing  

L.1508

Framework for climate change adaptation in coastal cities using ICT and digital technologies  

L.1600

Overview of key performance indicators in smart sustainable cities  

L.1602

Key performance indicators related to the sustainability impacts of information and communication technology in smart sustainable cities  

L.1604

Development framework for bioeconomy in cities and communities  

L.1610

City science application framework  

L.1620

Guide to circular cities  

L.1630

Framework of a building infrastructure management system for sustainable cities  

L.1631

Reference model for firefighting infrastructure management systems for buildings in sustainable cities  

L.1700

Requirements and framework for low-cost sustainable telecommunications infrastructure for rural communications in developing countries  

L.1601

Key performance indicators related to the use of information and communication technology in smart sustainable cities  

L.1603

Key performance indicators for smart sustainable cities to assess the achievement of sustainable development goals  

L.Sup1

ITU-T L.1310 - Supplement on energy efficiency for telecommunication equipment  

L.Sup2

ITU-T L.1410 - Case studies  

L.Sup3

ITU-T L.1430 - Guidance on practical application of ITU-T L.1430 to a real-time navigation service  

L.Sup4

Guidelines for developing a sustainable e-waste management system  

L.Sup5

Life-cycle management of ICT goods  

L.Sup6

ITU-T L.1300 - Supplement on a validation test of a data centre cooling method using renewable energy in a cold region  

L.Sup7

ITU-T L.1300 - Supplement on rationale for minimum data set for evaluating energy efficiency and for controlling data centre equipment in view of power saving  

L.Sup8

ITU-T L.1300 - Supplement on potential for primary energy savings in TLC/ICT centres through free cooling  

L.Sup9

ITU-T L.1300 - Supplement on case study of reduction of air-conditioning energy by optical fibre based thermometry  

L.Sup10

ITU-T L.1300 - Supplement on verification experiments related to increase of efficiency of air-conditioning and control technologies at a data centre  

L.Sup11

ITU-T L.1300 - Supplement on verification test and feasibility study of energy and space efficient cooling systems for data centres with high density ICT devices  

L.Sup12

ITU-T L.1300 - Supplement on experimental studies on plates and ducts installed at equipment inlets and outlets  

L.Sup13

ITU-T L.1410 - Case study: A hybrid approach-based comparative analysis of the environmental impact of a baseline data centre and an energy-efficient data centre  

L.Sup14

ITU-T L.1500 - Standardization gap analysis for smart water management  

L.Sup15

ITU-T L.1500 series - Requirements for water sensing and early warning systems  

L.Sup16

ITU-T Y.4550-Y.4699 - Smart water management in cities  

L.Sup17

ITU-T L.1600 - Definition for smart sustainable city  

L.Sup18

ITU-T Y.4050-Y.4099 - Smart sustainable cities: An analysis of definitions  

L.Sup19

ITU-T Y.4900 Series - Key performance indicators definitions for smart sustainable cities  

L.Sup20

Green public ICT procurement  

L.Sup21

Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals  

L.Sup22

ITU-T L.1700 - Low-cost sustainable telecommunication for rural communications in developing countries using fibre optic cable  

L.Sup23

ITU-T L.1700 - Low-cost sustainable telecommunications for rural communications in developing countries using microwave and millimetre radio links  

L.Sup24

ITU-T L.1500 - Overview of climate change effects and possible impacts  

L.Sup25

ITU-T L.1502 - Best practices for infrastructure adaptation to climate change  

L.Sup26

ITU-T L.1410 - Case study: The assessment of greenhouse gas emissions of a hybrid satellite broadband system over its life cycle  

L.Sup27

Supplement on success stories on e-waste management  

L.Sup28

Circular economy in information and communication technology; definition of approaches, concepts and metrics  

L.Sup29

ITU-T L.1700 - Low-cost sustainable telecommunication for rural communications in developing countries using cellular radio technologies  

L.Sup30

ITU-T L.1700 - Setting up a low-cost sustainable telecommunication network for rural communications in developing countries using cellular network with capacity transfer  

L.Sup31

ITU-T L.1700 - Setting up a low-cost sustainable telecommunication network for rural communications in developing countries using satellite systems  

L.Sup32

Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes  

L.Sup33

Assessment of energy consumption of information and communication technology services  

L.Sup34

Example of hybrid lice cycle assessment of the aggregated second order effects of selected information and communication technology services  

L.Sup35

Framework of disaster management for network resilience and recovery  

L.Sup36

ITU-T L.1310 - Study on methods and metrics to evaluate energy efficiency for future 5G systems  

L.Sup37

Guidance to operators of mobile networks, fixed networks and data centres on setting 1.5°C aligned targets compliant with Recommendation ITU-T L.1470  

L.Sup40

Scoring tool to assess the sustainability performance of office buildings  

L.Sup41

Requirements on energy efficiency measurement models and the role of artificial intelligence and big data  

L.Sup42

Guidelines on the environmental efficiency of machine learning processes in supply chain management  

L.Sup43

Smart energy saving of 5G base stations: Traffic forecasting and strategy optimization of 5G wireless network energy consumption based on artificial intelligence and other emerging technologies  

L.Sup44

Guidelines on best practices and environment friendly policies for effective information and communication technology deployment methods  

L.Sup45

Radio base station site best practices  

L.Sup46

Definitions and recent trends in circular cities  

L.Sup47

Examples of resource saving within the information and communication technology sector  

L.Sup48

Data centre energy saving: Application of artificial intelligence technology in improving energy efficiency of telecommunication room and data centre infrastructure  

L.Sup49

Overview on adaptation to climate change for information and communication technology networks  

L.Sup50

Case studies on implementation of cities' circular actions  

L.Sup51

Case studies on city science application framework  

L.Sup52

Computer processing, data management and energy perspective  

L.Sup53

Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies  

L.Sup54

Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology  

L.Sup55

Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing  

L.Sup56

Guidelines for connecting cities and communities with the Sustainable Development Goals  

L.Sup58

ITU-T L.250 - National experiences for FTTx network architectures  

 

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