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    ITU-T L 1420-2012 Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations (Study Group 5)《信.pdf

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    ITU-T L 1420-2012 Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations (Study Group 5)《信.pdf

    1、 International Telecommunication Union ITU-T L.1420TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (02/2012) SERIES L: CONSTRUCTION, INSTALLATION AND PROTECTION OF CABLES AND OTHER ELEMENTS OF OUTSIDE PLANT Methodology for energy consumption and greenhouse gas emissions impact assessment of informat

    2、ion and communication technologies in organizations Recommendation ITU-T L.1420 Rec. ITU-T L.1420 (02/2012) i Recommendation ITU-T L.1420 Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations Summary Recommend

    3、ation ITU-T L.1420 presents the methodology to be followed if an organization intends to claim compliance with this Recommendation when assessing its information and communication technology (ICT) related energy consumption and/or greenhouse gas (GHG) emissions. This Recommendation can be used to as

    4、sess energy consumption and GHG emissions generated over a defined period of time for the following purposes: for assessment of related impact from ICT organizations or for assessment of impact from ICT related activities within non-ICT organizations. History Edition Recommendation Approval Study Gr

    5、oup 1.0 ITU-T L.1420 2012-02-06 5 Keywords ICT, assessment, energy consumption, greenhouse gases, GHG, scope 1, scope 2, scope 3, direct GHG emissions, energy indirect GHG emissions, other indirect GHG emissions ii Rec. ITU-T L.1420 (02/2012) FOREWORD The International Telecommunication Union (ITU)

    6、is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuin

    7、g Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topic

    8、s. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “

    9、Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) a

    10、nd compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommen

    11、dation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of cl

    12、aimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Reco

    13、mmendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2012 All rights reserved. No part of this publication may be reproduced, by any means whatsoever

    14、, without the prior written permission of ITU. Rec. ITU-T L.1420 (02/2012) iii Table of Contents Page 1 Scope 1 1.1 Assessment of impact from the use of ICT in non-ICT organizations . 1 1.2 Assessment of impact from ICT organizations 1 2 References. 2 3 Definitions 2 3.1 Terms defined elsewhere 2 3.

    15、2 Terms defined in this Recommendation . 3 4 Abbreviations and acronyms 4 5 Conventions 4 6 Principles of organizational assessment . 4 7 Evaluation of energy consumption and GHG impact of ICT activities in non-ICT organizations . 5 7.1 Use of the Recommendation ITU-T L.1410 to assess the impact fro

    16、m the use of ICT in organizations 5 7.2 Aggregation of impacts from ICT goods, networks and services at an organizational level 5 7.3 Organizational boundaries 6 7.4 Operational boundaries . 6 8 Evaluation of energy consumption and GHG impact of ICT organizations 7 8.1 General . 7 8.2 Energy and GHG

    17、 inventory design and development 7 8.3 Quantification of energy consumption and GHG emissions 8 8.4 Annual assessment 12 8.5 Establishment of base-year energy and GHG inventory 12 8.6 Assessing and reducing uncertainty . 13 8.7 Energy and GHG inventory quality management 13 8.8 Reporting of energy

    18、and GHG inventory . 14 9 Organizations role in verification activities . 16 Annex A List of goods to be considered when assessing the impact of ICT activities in organizations . 17 Annex B Information to be provided in the GHG emission and energy report on scope 1 and scope 2 GHG emissions and energ

    19、y consumption . 18 Appendix I Indirect GHG emissions categories . 20 Appendix II Examples of organizational activities to reduce GHG emissions and energy consumption 23 Bibliography. 25 iv Rec. ITU-T L.1420 (02/2012) Introduction This Recommendation assists organizations in assessing the energy cons

    20、umption and greenhouse gas (GHG) emissions related to their operations. It provides the necessary knowledge to prepare inventories and meet the societal demands emerging from a low-carbon economy and the challenge of higher energy prices. The Recommendation focuses on the energy consumption and GHG

    21、emissions resulting from ICT activities and ICT organizations. This Recommendation covers The assessment of the life cycle perspective environmental impact of ICT goods, networks and services used by a non-ICT organization (“ICT in organizations“), e.g., PCs, servers, data centers and networks withi

    22、n the organizations premises, based on the Recommendation ITU-T L.1410 and an aggregation to an organizational level for first and second order effects. The assessment of the environmental impact of an ICT organization (“ICT organizations“) based on ISO 14064-1 and b-GHG Protocol. The interpretation

    23、 of these impacts. The reporting of these impacts in a transparent manner. Rec. ITU-T L.1420 (02/2012) 1 Recommendation ITU-T L.1420 Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations 1 Scope The increasing

    24、 proliferation of information and communications technology (ICT) has led to concerns regarding its environmental impact. Taking into consideration the ongoing efforts within the United Nations Framework Convention on Climate Change (UNFCCC) to combat climate change, ITU-T decided to develop an inte

    25、rnationally agreed upon methodology to help the ICT Sector to make an inventory of the environmental impact, including greenhouse gas emissions and energy consumption, of ICTs in organizations. This Recommendation can be used to assess the energy consumption and GHG emissions of ICT related to organ

    26、izations for two different purposes. Firstly, it can be used to assess the life cycle GHG emissions (first and second order effects) emerging from the use of ICT in non-ICT organizations, based on the Recommendation ITU-T L.1410. Secondly, it can be used as a supplement to ISO 14064-1 and to b-GHG P

    27、rotocol for ICT organizations intending to assess their own organizational energy consumption and GHG related impact. This Recommendation is intended to allow organizations to assess their direct GHG emissions (generally referred to as scope 1), their indirect GHG emissions (generally referred to as

    28、 scope 2) and their other indirect GHG emissions (generally referred to as scope 3). It also allows organizations to assess their energy consumption by developing an energy inventory focusing on secondary energy used by the assessed organization itself. However, it should be noted that this Recommen

    29、dation will not address: GHG removal, which needs not be considered since ICT activities do not directly remove GHG, Other effects (apart from first or second order effects), such as rebound effects, since these effects are still under research to a large extent, Other environmental impacts like for

    30、 example depletion of abiotic resources, acidification, eutrophication, stratospheric ozone depletion, photo-oxidant formation and human toxicity. 1.1 Assessment of impact from the use of ICT in non-ICT organizations For the assessment of the first and second order effects when using ICT in non-ICT

    31、organizations, this Recommendation defines an assessment framework (principles, concepts, requirements and methods) to be used by any kind of organization (except for ICT organizations) when quantifying and reporting the energy consumption and the GHG emissions of ICT activities. 1.2 Assessment of i

    32、mpact from ICT organizations For the assessment of an ICT organization, this Recommendation provides a methodology to assess both the energy consumption and the GHG emissions of its activities over a certain period of time for the following emissions: direct GHG emissions energy indirect GHG emissio

    33、ns and other indirect GHG emissions. 2 Rec. ITU-T L.1420 (02/2012) This Recommendation covers the following items: design and development of the inventory components of the inventory quality management requirements of the inventory reporting of the inventory results. 2 References The following ITU-T

    34、 Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation

    35、are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, a

    36、s a stand-alone document, the status of a Recommendation. ITU-T L.1400 Recommendation ITU-T L.1400 (2011), Overview and general principles of methodologies for assessing the environmental impact of information and communication technologies. ITU-T L.1410 Recommendation ITU-T L.1410 (In-force), Metho

    37、dology for environmental impact assessment of information and communication technology goods, networks and services. ISO 14064-1 ISO 14064-1:2006, Greenhouse gases Part 1: Specification with guidance at the organization level for quantification and reporting of greenhouse gas emissions and removals.

    38、 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 activity data b-GHG PI: A quantitative measure of a level of activity that results in GHG emissions. Activity data is multiplied by an emission factor to derive the GHG emissions associat

    39、ed with a process or an operation. Examples of activity data include kilowatt-hours of electricity used, volume of fuel used, output of a process, hours a piece of equipment is operated, distance travelled and area of building. 3.1.2 emission factor b-PAS 2050: Amount of greenhouse gases emitted, ex

    40、pressed as carbon dioxide equivalent and relative to a unit of activity (or example, kgCO2e per unit input). 3.1.3 facility ISO 14064-1: Single installation, set of installations or production processes (stationary or mobile), which can be defined within a single geographical boundary, organizationa

    41、l unit or production process. 3.1.4 first order effect ITU-T L.1410: The impacts and opportunities created by the physical existence of ICT and the processes involved, e.g., GHG emissions, e-waste, use of hazardous substances and use of scarce, non-renewable resources. 3.1.5 greenhouse gas ISO 14064

    42、-1: Gaseous constituent of the atmosphere, both natural and anthropogenic, that absorbs and emits radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earths surface, the atmosphere and clouds. Greenhouse gas include carbon dioxide (CO2), methane (CH4), nitrous

    43、oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs) and sulfur hexafluoride (SF6). Rec. ITU-T L.1420 (02/2012) 3 3.1.6 greenhouse gas emission ISO 14064-1: Total mass of a Greenhouse gas released to the atmosphere over a specified period of time. 3.1.7 greenhouse gas removal ISO 14064-1:

    44、 Total mass of a Greenhouse gas removed from the atmosphere over a specified period of time. 3.1.8 ICT goods ITU-T L.1400: The tangible products deriving from or making use of technologies devoted to or concerned with (a) the study and application of data and the processing thereof; i.e., the automa

    45、tic acquisition, storage, manipulation (including transformation), management, movement, control, display, switching, interchange, transmission or reception of a diversity of data; (b) the development and use of the hardware, software, and procedures associated with this delivery; and (c) the repres

    46、entation, transfer, interpretation, and processing of data among persons, places, and machines, noting that the meaning assigned to the data must be preserved during these operations. 3.1.9 ICT networks ITU-T L.1400: This includes a set of nodes and links that provide physical or over the air inform

    47、ation and communication connections between two or more defined points. 3.1.10 ICT services ITU-T L.1400: This covers the combination of ICT goods and ICT networks. An ICT service is produced in one or more nodes of the network and provided to users or other ICT systems over the ICT network. 3.1.11

    48、organization ISO 14064-1: Company, corporation, firm, enterprise, authority or institution, or part or combination thereof, whether incorporated or not, public or private, that has its own functions and administration. 3.1.12 second order effect ITU-T L.1410: The impacts and opportunities created by

    49、 the ongoing use and application of ICT. This includes environmental load reduction effects which can be either actual or potential. 3.1.13 validation ISO 14064-1: Systematic, independent and documented process for the assessment of a greenhouse gas assertion in a GHG project plan against agreed validation criteria. 3.1.14 verification criteria ISO 14064-1: Policy, procedure or requirement used as a reference against which evidence is compared. Validation or verification criteria may be es


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