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11The Emissions Gap Report 2017

A UN Environment Synthesis Report

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UN Environment

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UN Environment's carbon footprint.

The Emissions Gap Report 2017

A UN Environment Synthesis Report

The Emissions Gap Report 2017 - Acknowledgements

iv

The Emissions Gap Report 2017 - Acknowledgements

Acknowledgements

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

v

Chapter 7

Reviewers

Editorial team

contributors

Media and launch support

Thanks also to

vivi

The Emissions Gap Report 2017 - Contents

Contents

Acknowledgements ........................................................................ ...................iv Glossary ........................................................................ ...................................vii Acronyms ........................................................................ ..................................xi Foreword ........................................................................ .................................xiii .................xiv

Chapter 5: Bridging the gap - Phasing out coal ........................................................................

Chapter 6: Bridging the gap - The role of short-lived climate pollutants ........................................................................

............48

Chapter 7: Bridging the Gap - Carbon dioxide removal ........................................................................

.....................................58 References ........................................................................ ...............................68 viivii

The Emissions Gap Report 2017 - Glossary

Glossary

This glossary is compiled by the lead authors of the report, drawing on glossaries and other resources available on projects: Intergovernmental Panel on Climate Change, viiiviii

The Emissions Gap Report 2017 - Glossary

2 e released or ixix

The Emissions Gap Report 2017 - Glossary

Montreal Protocol: The Montreal Protocol on Substances e emissions that xx

The Emissions Gap Report 2017 - Glossary

Top-down model: A model that applies macroeconomic xixi

The Emissions Gap Report 2017 - Acronyms

Acronyms

°C

Business as usual

2

Carbon dioxide

2 e

Carbon dioxide equivalent

EJ G20 Gt INDC IPCC m 2

Square metre

Mt

Million tonnes

NDC xii xiiixiii

Emissions Gap

Report 2017

xivxiv

The Emissions Gap Report 2017

A UNEP Synthesis Report

1.

The overarching conclusions of the

report are that there is an urgent need if the goals of the Paris Agreement are to to make this possible. Paris Agreement cover only approximately one third cost pathway for the goal of staying well below 2°C. The pledges made in Paris is alarmingly high. xvxv

2020 revision of the NDCs are the

last opportunity to close the 2030 emissions gap. 2 emissions from energy and industry have remained stable since 2014, but overall greenhouse gas emissions emissions xvixvi 4.

Global greenhouse gas emissions in 2020

are likely to be at the high end of the range of the scenarios consistent with the meet the 2030 emission goals.

0102030

50
40
0

10203050

60
40

GtCOe/yearGtCO/year

China US

AEU-28

IndiaRussian Federaon

JapanInternaonaltransportOther countriesLand-use change res (CH, NO)Land-use change emissions (net CO)

Global greenhouse gas emissionsGlobal CO emissions

Other G20 countries

xviixvii 5.

A large gap exists between 2030 emission

levels and those consistent with least- cost pathways to the 2°C and 1.5°C goals 2 e. The gap in the case of the 1.5°C target is 16 to 2 e. e th th

2015202020252030

70
60
50
40
30
Annual Global Total Greenhouse Gas Emissions (GtCOe)

201020202030

70
60
50
40
30
20 10 0

20402050

Nett zroGHmisnortEx srHtn

NHzapolfNosEc odzsHzapolfNosEc o

NHzapolfNosEc odzsHzapolfNosEc o

NHzaiHzEmlfNosEc

dzsHzaiHzEm lfNosEc p

GtCO2e

GtCO2e

GtCO2e

GtCO2e

bLjNtEzC pLjN tEzC

Blue area shows pathways

limitng global temperature increase to below 2°C by

2100 with >66% chance

Purple area shows pathways

limitng global temperature increase to below 1.5°C by 2100 with 50 to 66% chance

Ec miz

LjN xviii e e 6.

Most G20 countries require new policies

2 e/year by 2030. urgently required. 2 e to closing the gap in 2030. xviii xixxix 9.

The assessment of the emissions gap and

of both the Cancun Pledges and the NDCs and commitments and what is required to meet the temperature goals of the Paris

Agreement. It is therefore absolutely

in 2018 addresses the need and the and informing countries in urgently strengthening their NDCs. 2 e, compared to the current policy trajectory, is

2030 under all cases assessed. It could in

important environmental, social and economic goals. xxxx 2 2

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