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ITU-T L.1520 (03/2026)

信息通信技术对其他行业的推动指标以及实现净零目标的最佳做法
ITU-T L.1520建议书定义了信息通信技术（ICT）对其他行业的赋能指标，并提供了ICT赋能评估方法。应用本建议书草案提供的最佳做法可以帮助组织所有者和管理者利用ICT来减少温室气体（GHG）排放，此类措施也可以减少其他行业对气候变化的影响。

Citation:	https://handle.itu.int/11.1002/1000/16641
Series title:	L series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant L.1500-L.1599: Adaptation to climate change
Approval date:	2026-03-09
Provisional name:	L.NZ_Indicator & BP
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 5
Further details:	Patent statement(s) Development history [12 related work items in progress]

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
1	L.1520 (03/2026)	In force	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
L Suppl. 4 (04/2016)	Guidelines for developing a sustainable e-waste management system	In force	here	here	here
L Suppl. 5 (12/2014)	Life-cycle management of ICT goods	In force	here	here	here
L Suppl. 14 (10/2015)	ITU-T L.1500 - Standardization gap analysis for smart water management	In force	here	here	here
L Suppl. 15 (10/2015)	ITU-T L.1500 series - Requirements for water sensing and early warning systems	In force	here	here	here
L Suppl. 20 (10/2015)	Green public ICT procurement	In force	here	here	here
L Suppl. 21 (04/2016)	Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals	In force	here	here	here
L Suppl. 27 (10/2016)	Supplement on success stories on e-waste management	In force	here	here	here
L Suppl. 28 (10/2016)	Circular economy in information and communication technology; definition of approaches, concepts and metrics	In force	here	here	here
L Suppl. 32 (10/2016)	Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes	In force	here	here	here
L Suppl. 33 (10/2016)	Assessment of energy consumption of information and communication technology services	In force	here	here	here
L Suppl. 41 (05/2021)	Requirements on energy efficiency measurement models and the role of artificial intelligence and big data	In force	here	here	here
L Suppl. 42 (05/2021)	Guidelines on the environmental efficiency of machine learning processes in supply chain management	In force	here	here	here
L Suppl. 43 (05/2021)	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	In force	here	here	here
L Suppl. 46 (12/2021)	Definitions and recent trends in circular cities	In force	here	here	here
L Suppl. 47 (07/2022)	Examples of resource saving within the information and communication technology sector	In force	here	here	here
L Suppl. 49 (07/2022)	Overview on adaptation to climate change for information and communication technology networks	In force	here	here	here
L Suppl. 52 (10/2022)	Computer processing, data management and energy perspective	In force	here	here	here
L Suppl. 53 (10/2022)	Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies	In force	here	here	here
L Suppl. 54 (10/2022)	Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology	In force	here	here	here
L Suppl. 55 (10/2022)	Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing	In force	here	here	here
L Suppl. 56 (10/2022)	Guidelines for connecting cities and communities with the Sustainable Development Goals	In force	here	here	here
L Suppl. 62 (06/2026)	ITU-T L.1331 – Supplement on study of multi-dimensional network energy efficiency metrics	In force	here	-	here
L Suppl. 63 (06/2026)	ITU-T L.1060 – Supplement on specific principles for the green supply chain management of information and communication technology manufacturing industry	In force	here	here	here
L Suppl. 65 (07/2026)	National experiences with respect to ITU-T L.1xx-series optical fibre cables, installation methods and test methods	In force	here	-	here

Title	Approved on	Download
Partnering for solutions: ICTs in Smart Water Management	2014	here
Resilient pathways: the adaptation of the ICT sector to climate change	2014	here
Greening ICT Supply Chains – Survey on Conflict Minerals Due Diligence Initiatives	2012	here
Review of Mobile Handset Eco-Rating Schemes	2012	here
Boosting Energy Efficiency through Smart Grids	2012	here

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ITU-T Recommendations

ITU-T L.1520 (03/2026)