Overview of AR6 products

Valérie Masson-Delmotte
Co-Chair, IPCC WGIvalmasdel

The IPCC 6th Assessment Report (AR6)
May 2019
Emission
inventories

Oct. 2018

Sept. 2019

Globalwarming of
1.5 oC

Oceansand cryosphere

Facilitative
dialogue
UNFCCC

Land

Aug. 2019
Aug. 2019

April 2021

October 2021

April 2022

Physical Science
Basis

Climate Change
Impacts,Adaptation andVulnerability

Synthesis
ReportMitigationofClimate Change
July 2021

Global stocktake
2023
UNFCCC

July 2021

March 2018

Cities and Climate Change Science Conference

May 2018

Expert Meeting on Assessing Climate Information for Regions

May 2018

Expert Meeting on Short Lived Climate Forcers

The IPCC 6th Assessment Report (AR6)
May 2019
Emission
inventories

Oct. 2018

Sept. 2019

Globalwarming of
1.5 oC

Oceansand cryosphere

Facilitative
dialogue
UNFCCC

Land

Aug. 2019

April 2021

October 2021

April 2022

Physical Science
Basis

Climate Change
Impacts,
Adaptation andVulnerability

Synthesis
ReportMitigationofClimate Change
July 2021

Global stocktake
2023
UNFCCC

SR1.5, Chapter 2 : Mitigation pathways compatible with 1.5°C in the context of sustainable
development
on, and in,uncertainties
in, globalgas
greenhouseemissionsconsistentts on,Constraints
and uncertainties
global greenhouseemissions gas
consistentwithwarmingwithof 1.5°C compwarming of 1.5°C comparedto 2°C,shortconsidering
short
lived
and otherclimate drivers andconsidering
lived andotherclimatedrivers
taking into account uncertainty in climate sensitivity

The IPCC 6th Assessment Report (AR6)
May 2019
Emission
inventories

Oct. 2018

Sept. 2019

Globalwarming of
1.5 oC

Oceansand cryosphere

Facilitative
dialogue
UNFCCC

Land

Aug. 2019

April 2021

October 2021

April 2022

Physical ScienceBasis

Climate Change
Impacts,
Adaptation andVulnerabilitySynthesis
ReportMitigationofClimate Change
July 2021

Global stocktake
2023
UNFCCC

SRCCL
Chapter 2 : Land-Climate Interactions
terrestrial GHG fluxes in natural and managed ecosystems ;and non-GHG
feedbacks
and forcingson climate
ts on,biophysicaland uncertainties
in, global
greenhousegas emissions
consistent with warming of 1.5°C comp
Chapter 3 : desertificationconsidering short lived and other climate drivers
aerosols and dust

The IPCC 6th Assessment Report (AR6)
May 2019
Emission
inventories

Oct. 2018

Sept. 2019

Globalwarming of1.5 oC

Oceansand cryosphere

Facilitativedialogue
UNFCCCLandAug. 2019

April 2021

October 2021

April 2022

Physical Science
Basis

Climate Change
Impacts,
Adaptation andVulnerability

Synthesis
ReportMitigationofClimate Change
July 2021

Global stocktake
2023
UNFCCCWGII : sectoral and regional risk assessment
Chapter 6 : Cities, settlements and key infrastructure
ts on,(e.g.
andairuncertainties
in, global greenhouse gas emissions consistent with warming of 1.5°C compquality)
considering short lived and other climate drivers

The IPCC 6th Assessment Report (AR6)
May 2019
Emission
inventories

Oct. 2018

Sept. 2019

Globalwarming of
1.5 oC

Oceansand cryosphere

Facilitative
dialogue
UNFCCC

Land

Aug. 2019

April 2021

October 2021

April 2022

Physical Science
Basis

Climate Change
Impacts,
Adaptation andVulnerability

Synthesis
ReportMitigationof
Climate Change
July 2021

Global stocktake
2023
UNFCCCWGIII : Chapter 3: Mitigation pathways compatible with long-term goals
Modelled emission pathways compatible with the Paris Agreement, including the long-term
temperature goal, and higher warming levels, taking into account CO2, non-CO2 and shortts on,lived
andclimate
uncertainties
global greenhousegas emissions
warmingof 1.5°C
forcersin,(includingpeaking, rates
of change,consistentbalancing withsources
and sinks,and comp
cumulative emissions) considering short lived and other climate drivers

WGI Outline
Large-scale climate change

Chapter 1: Framing, context, methods
Chapter 2: Changing state of the climate system
Chapter 3: Human influence on the climate system
Chapter 4: Future global climate: scenario-based projections and near-term information
Chapter 5: Global carbon and other biogeochemical cycles and feedbacks
Chapter 6: Short-lived climate forcers
Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity
Chapter 8: Water cycle changes
Chapter 9: Ocean, cryosphere, and sea level change
Chapter 10: Linking global to regional climate change
Chapter 11: Weather and climate extreme events in a changing climate
Chapter 12: Climate change information for regional impact and for risk assessment
Regional Atlas
Technical Annexes

WGI Outline
Chapter 1: Framing, context, methods
Chapter 2: Changing state of the climate system
Climate processes
Chapter 3: Human influence on the climate system
Chapter 4: Future global climate: scenario-based projections and near-term information
Chapter 5: Global carbon and other biogeochemical cycles and feedbacks
Chapter 6: Short-lived climate forcers
Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity
Chapter 8: Water cycle changes
Chapter 9: Ocean, cryosphere, and sea level change
Chapter 10: Linking global to regional climate change
Chapter 11: Weather and climate extreme events in a changing climate
Chapter 12: Climate change information for regional impact and for risk assessment
Regional Atlas
Technical Annexes

WGI Outline
Regional climate

Chapter 1: Framing, context, methods
informationChapter 2: Changing state of the climate system
Chapter 3: Human influence on the climate system
Chapter 4: Future global climate: scenario-based projections and near-term information
Chapter 5: Global carbon and other biogeochemical cycles and feedbacks
Chapter 6: Short-lived climate forcers
Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity
Chapter 8: Water cycle changes
Chapter 9: Ocean, cryosphere, and sea level change
Chapter 10: Linking global to regional climate change
Chapter 11: Weather and climate extreme events in a changing climate
Chapter 12: Climate change information for regional impact and for risk assessment

Regional Atlas
Technical Annexes

WGI Outline
Link to WGII
Chapter 1: Framing, context, methods
Chapter 2: Changing state of the climate system
Link to WGIII
Chapter 3: Human influence on the climate system
Chapter 4: Future global climate: scenario-based projections and near-term information
Chapter 5: Global carbon and other biogeochemical cycles and feedbacks
Chapter 6: Short-lived climate forcers
Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity
Chapter 8: Water cycle changes
Chapter 9: Ocean, cryosphere, and sea level change
Chapter 10: Linking global to regional climate change
Chapter 11: Weather and climate extreme events in a changing climate
Chapter 12: Climate change information for regional impact and risk for assessment
Regional Atlas
Technical Annexes