Emissions Scenarios - IPCC

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775 An Overview of <strong>Scenarios</strong> f2 5 ê se •s tu 1 ^ 't; s 4 о s Cl -s; -s e о Ü .5 о s с ОС .s; о .о 1 s tu e S Si S tu tu -S s: •S •2 g Oc • 2 g a •2 с cj 3 к a tu СО a -g Oí t/3 Ci t n ta 03 CQ CQ < < CQ < О
An Overview of <strong>Scenarios</strong> 179 Figure 4-3: Schematic illustration of the multidimensional classification space of SRES scenarios. The set of scenarios consists of four scenario families (Al, A2, Bl, and B2), each of which consists of a number of scenarios. Some of these have "hannonized" inputs - they share similar pre-specified global population and GDP trajectories. They are marked as "HS" for (globally) harmonized scenarios. All other scenarios of the same family based on the quantification of the storyline chosen by the modeling team are marked as "OS." The Al family is divided into four scenario groups that explore altemative developments in the future energy sector. These were merged into three groups in the SPM (see also footnote 1). Finally, one of the harmonized scenarios is designated as the characteristic representative of each family and is the marker scenario. judgments have been made by the SRES team as to their desirability or probability. Storylines in the literature, however, are often explicitly intended by their authors to have a positive or negative connotation, and sometimes explicitly include assumed dominant or preferred types of governance. Thus, the four SRES storylines are fundamentally different in this respect compared to many narrative scenarios in the underlying literature. Two arguments are pertinent to the linkage between the scenario storylines and the underlying literature. First, a future regarded as negative by some people may be perceived as positive by others. Second, the storylines represent families of scenarios that can include both success and failure, depending on the perspective of the beholder. To quote Wilkerson (1995): "Like the real life from which they are drawn, the scenarios are mixed bags, at once wonderfully dreadful and dreadfully wonderful." Importantly, the "neutral" or "agnostic" character of SRES scenarios is an explicit departure from most of the underlying literature about storylines and narrative scenarios. Another important departure and an innovation unique to the SRES approach is the use of the storylines in conjunction with multiple (six) modeling approaches to develop and formulate a set of quantifications or scenarios that are overall consistent with the underlying storylines. This approach provides a rigorous modeling test of the underlying logic and structure of the storyline, while the naffative aspect of the storyline provides a broader, descriptive context for better understanding and interpretation of the scenarios. 4.3.1. Al Storyline and Scenario Family The Al storyline is a case of rapid and successful economic development, in which regional average income per capita converge - current distinctions between "poor" and "rich" countries eventually dissolve. The primary dynamics are: • Strong commitment to market-based solutions. • High savings and commitment to education at the household level. • High rates of investment and innovation in education, technology, and institutions at the national and intemational levels. • Intemational mobility of people, ideas, and technology.
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E M I S S I O N S S C E N A R I O S
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PUBLISHED BY THE PRESS SYNDICATE OF
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Contents Foreword Preface Summary f
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Preface The Intergovernmental Panel
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C O N T E N T S Why new Intergovern
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4 Summary for Policymakers Box SPM-
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6 Summary for Policymaker -3.5 i i
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8 Summary for PoUcymake. b Scenario
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lu Summary for Policymakers 0 I I I
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Summary for Policymakers such as fe
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14 Summary for Policymakers CQ so t
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16 Summary for Policymakers CQ ^ Ч
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18 Summary for Policymakers s I, I
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Summary for Policymakers P3 M ^ NO
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CONTENTS 1. Introduction and Backgr
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24 Technical Summai-y intended to b
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26 Technical Summary 1900 1950 2000
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28 Technical Summary Figure TS-2: S
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30 Technical Summaiy Box TS-3: SRES
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32 Technical Summary Figure TS-3: P
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34 Technical Summary Renewables/Nuc
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36 Technical Summary Figure TS-5 il
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38 Technical Summar 1900 1950 2000
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40 Technical Summary 40 1990 2000 2
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42 Technical Summary family). Chapt
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44 Technical Summary 1930 1960 1990
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46 Technical Summary does not exist
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48 Technical Summary CQ CP 00 00 l>
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50 Technical Summary n rí M •л
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52 Technical Summary pa Ю un ^ Ч
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54 Technical Summary (S ее CQ fN
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56 Technical Summary References: Al
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1 Background and Overview
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Background and Overview 61 1.1. Int
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Background and Overview 63 Box 1-1:
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Background and Overview 65 interven
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Background and Overview 67 powerful
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Background and Overview 69 1900 195
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Background and Overview 71 SRES Sce
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Background and Overview 73 1900 195
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Background and Overview characteriz
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2 An Overview of the Scenario Liter
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An Overview of the Scenario Literat
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hn Overview of the Scenario Literat
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3 Scenario Driving Forces
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Scenario Driving Forces 105 3.1. In
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Scenario Driving Forces 107 Section
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Scenario Driving Forces J 09 UN 199
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Scenario Driving Forces 111 deficit
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Scenario Driving Forces 113 recent
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Scénario Driving Forces lis Box 3-
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Scénario Driving Forces 117 Table
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Scenario Driving Forces 119 о I ht
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Scenario Driving Forces 121 in biol
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Scenario Driving Forces 123 0.15 0.
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Scenario Driving Forces 125 GDP per
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Page 175 and 176: 4 An Overview of Scenarios
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An Overview of Scenarios 229 Table
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An Overview of Scenarios 231 Table
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An Overview of Scenarios 233 Dietz
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An Overview of Scenarios 235 consid
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An Overview of Scenai ios 237 Gallo
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Emission Scenarios
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Emission Scénarios 241 5.1 Introdu
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Emission Scenarios 243 Box 5-1: Sce
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Emission Scenar nos PQ PQ и CN m
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Emission Scenarios 247 tí ü
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Emission Scenarios 249 40 35 |Energ
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Emission Scenarios 251 25 , [Energy
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Emission Scenarios 253 I I .2 I I
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Emission Scenanos 255 the base-year
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Emission Scénarios 257 is between
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Emission Scenarios 259 700 600 Bl F
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Emission Scénarios 261 The range o
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Emission Scénarios 263 oi • •
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Emission Scénarios 265 Table 5-7:
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Emission Scénarios 267 Table 5-9:
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Emission Scenarios 269 technically
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Emission Scénarios 271 ^ — BIT M
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Emission Scénarios 273 4000 AlB AI
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Emission Scenarios 275 M B v/ы —
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Emission Scenarios 277 Box 5-3: Sul
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Emission Scenarios 279 Box 5-4: Fut
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Emission Scenarios о ON — 00 Ч
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Emission Scenarios QS ON NO со ON
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Emission Scenarios 285 Table 5-14:
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Emission Scenarios 287 -OECD90 REF
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Emission Scenarios 289 1200 oU, \ \
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Emission Scenarios 291 Box 5-5: Gri
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6 Summary Discussions and Recommend
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Summary Discussions and Recommendat
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SPECIAL REPORT ON EMISSIONS SCENARI
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324 SRES Terms of Reference: New IP
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II SRES Writing Team and SRES Revie
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SRES Writmg Team ami SRES Reviewers
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Ill Definition of SRES World Re
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Definition of SRES World Regions Me
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336 Six Modeling Approaches Six Mod
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338 Six Modeling Approaches e < .S
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340 Six Modeling Approaches Populat
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342 Six Modeling Approaches Table I
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344 Six Modeling Approaches Table I
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346 Six Modeling Approaches for dev
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348 Data Description Database Descr
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350 Data Description Table V-2. Lis
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Open Process
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Open Process 355 Table VI'2: SRES w
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Open Process 357 1Г)-ч);ОООЧ
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Open Process 359 Preliminary Al Mar
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Open Process 361 Preliminary Al Mar
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Open Process 363 Table VI-4b: Stand
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Open Process 365 Preliminary A2 Mar
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Open Process 367 Preliminary A2 Mar
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Open Process 369 Preliminary Bl Mar
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Open Process 371 Preliminary Bl Mar
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Open Process 373 Table VI-4d: Stand
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Open Process 375 Preliminary B2 Mar
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Open Process 377 Preliminary B2 Mar
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380 Statistical Table Table VII.l:
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3S2 Statistical Table Marker Scenar
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384 Statistical Table Marker Scenar
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386 Statistical Table Scenario AlB-
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392 Statistical Table Scenario AIB-
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4U0 Statistical Table Scenario AlB-
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412 Statistical Table Scenario AlC-
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416 Statistical Table Scenario AIC-
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426 Statistical Table Scenario AIG-
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436 Statistical Table Illustrative
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442 Statistical Table Scenario AIT-
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452 Statis-tical Table Scenario AIT
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456 Statistical Table Scenario Alvl
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462 Statistical Table Scenario Alv2
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464 Statistical Table Scenario Alv2
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466 Statistical Table Scenario A2-A
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476 Statistical Table Scenario A2G-
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482 Statistical Table Scenario A2-I
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484 Statistical Table Scenario A2-M
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496 Statistical Table Scenario Bl-A
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500 Statistical Table Scenario В1-
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512 Statistical Table Scenario Bl-M
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522 Statistical Table OECDTO^^"'^'"
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526 Statistical Table Scenario BIT-
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532 Statistical Table Scenario BlHi
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542 Statistical Table Scenario B2-A
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554 Statistical Table Scenario B2-I
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556 Statistical Table Scenario B2-M
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558 Statistical Table Scenario B2-1
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572 Statistical Table Scenario B2C-
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574 Statistical Table Scenario B2C-
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576 Statistical Table Scenario B2Hi
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578 Statistical Table Scenario BZHi
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580 Statistical Table Scenario B2Hi
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582 Acronyms and Abbreviations Acro
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584 Acronyms and Abbreviations USCB
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586 Chemical Symbols Chemical Symbo
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588 Units Table X-1: SI (Système I
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590 Glossary of Terms Glossary of T
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592 Glossary of Terms Fuel Switchin
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594 Glossary of Terms standards for
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XII List of Major IPCC Reports
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List of Major IPCC Reports 599 Tech
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Emissions Scenarios - IPCC

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