Changes to the Sixth Assessment Report (AR6) Strategic Planning Schedule (February 10, 2021)
| 7 Jan - 11 Jan | WG I - AR6 Second Lead Author Meeting (Vancouver, Canada) | |
| 21 Jan - 25 Jan | WG II - AR6 First Lead Author Meeting (Durban, South Africa) | More information |
| 28 Jan - 24 Mar | Final Government distribution - Government review of MR (organized by TFI) | More information |
| 11 Feb - 15 Feb | WG I/II/III - Fourth Lead Author Meeting on Climate Change and Land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems. (organized by WG III) (Cali, Colombia) | More information |
| 3 Mar - 9 Mar | WG I/II - Fourth Lead Author Meeting for Special Report on the Ocean and Cryosphere in a Changing Climate (organized by WGII) (Kazan, Russian Federation) | More information |
| 18 Mar - 19 Mar | 56th Session of the IPCC Bureau (Geneva, Switzerland) | Bureau Portal Login |
| 1 Apr - 5 Apr | WG III - AR6 First Lead Author Meeting (Edinburgh, Scotland) | More information |
| 29 Apr - 23 Jun | Final Government distribution - Government review of SPM (SRCCL) (organized by WG III) | |
| 29 Apr - 23 Jun | Expert Review of First Order Draft of WG I - AR6- (organized by WG I) | More information |
| 6 May - 7 May | TFI - Preparatory Meeting of the Drafting Authors for the Elaboration of the 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories (Kyoto, Japan) | |
| 8 May - 12 May | 49th Session of the IPCC Consideration of the 2019 Refinement (Kyoto, Japan ) | Documents and Information for participants |
| 14 Jun - 9 Aug | Final Government distribution - Government Review of SPM (SROCC) | |
| 14 Jul - 19 Jul | WG II - AR6 Second Lead Author Meeting (Kathmandu, Nepal) | |
| 30 Jul - 31 Jul | WG I/II/III - Preparatory Meeting of the Drafting Authors for Special Report on Climate Change and Land (organized by WG III) (Geneva, Switzerland) | |
| 2 Aug - 6 Aug | 50th Session of the IPCC (Geneva, Switzerland) Consideration of the Special Report on Climate Change and Land | Documents and Information for participants |
| 26 Aug - 30 Aug | WG I - AR6 Third Lead Author Meeting (Toulouse, France) | |
| 17 Sep - 18 Sep | WG I/II - Preparatory Meeting of the Drafting Authors for Special Report on the Ocean and Cryosphere in a Changing Climate (organized by WGII) (Principality of Monaco, Monaco) | |
| 19 Sep - 19 Sep | Preparatory Meeting ahead of the Plenary Session (Principality of Monaco, Monaco) | |
| 20 Sep - 23 Sep | 51st Session of the IPCC (Principality of Monaco, Monaco ) Consideration of the Special Report on the Ocean and Cryosphere in a Changing Climate | Documents and Information for participants |
| 30 Sep - 4 Oct | WG III - AR6 Second Lead Author Meeting (New Delhi, India) | |
| 15 Oct - 17 Oct | Use of the 2006 IPCC Guidelines for National Greenhouse Gas Inventories - IPCC Expert Meeting to collect EFDB and Software users’ feedback (Hayama, Japan ) | |
| 18 Oct - 13 Dec | Expert Review of First Order Draft of WGII-AR6 - (organized by WG II) | |
| 21 Oct - 23 Oct | SYR AR6 Scoping Meeting - (Singapore) | More information |
| 24 Oct - 25 Oct | 57th Session of the IPCC Bureau (Singapore) | |
| 11 Nov - 14 Nov | 17th Editorial Board Meeting for the IPCC Emission Factor Database (EB17) (Osaka, Japan) | |
| 12 Nov - 13 Nov | 17th Expert Meeting on Data for the IPCC Emission Factor Database (DM17) (Osaka,, Japan) | |
| 15 Nov | Thirty-first Meeting of the Bureau of the IPCC Task Force on National Greenhouse Gas Inventories (TFB31) (Osaka,, Japan) |
| 13 Jan - 8 Mar | WGIII - AR6 Expert Review of First Order Draft | |
| 26 Jan - 1 Feb | WG II - AR6 Third Lead Author Meeting (LAM3) (Faro, Portugal) | |
| 24 - 28 Feb | 52nd Session of the IPCC (Paris, France) | More information |
| 14 - 19 Apr | WG III - AR6 Third Lead Author Meeting (Virtual meeting) | |
| 19 - 20 May | 58th Session of the IPCC Bureau (Virtual meeting) | |
| 22 - 25 Sep | TFI - 18th Editorial Board Meeting for the IPCC Emission Factor Database (EB18) (India, TBD) | |
| 23 - 24 Sep | TFI - 18th Expert Meeting on Data for the IPCC Emission Factor Database (DM18) (India, TBD) | |
| 1 - 4 Oct | 53rd Session of the IPCC | Postponed |
| 13 - 14 Oct | 59th Session of the IPCC Bureau (Virtual meeting) | |
| 19 Oct - 13 Dec | WGIII - AR6 Expert & Government Review of the SOD & the FOD of the Summary for Policymakers (SPM) | |
| 20 - 22 Oct | TFI - 1st Expert Meeting on Short-lived Climate Forcers (SLCF) - AFOLU & Waste Sectors (Rome, Italy) | Postponed |
| 4 Nov - 6 Nov | WGI SPM Writing workshop | |
| 11 - 12 Nov | TFI - Thirty-second Meeting of the Bureau of the IPCC Task Force on National Greenhouse Gas Inventories (TFB32) (Virtual meeting) | |
| 4 Dec - 29 Jan 2021 | WGII - AR6 Expert & Government Review of the SOD & the FOD of the Summary for Policymakers (SPM) | |
| 1 - 4 Dec | TFI - Use of the 2006 IPCC Guidelines for National Greenhouse Gas Inventories - IPCC Expert Meeting to collect EFDB and Software users’ feedback (Hayama, Japan) | Cancelled |
| 15 - 17 Dec | TFI - 2nd Expert Meeting on Short-lived Climate Forcers (SLCF) (Istanbul, Turkey) | Postponed to 2021 |
Dates and locations are subject to changes due to the COVID-19 pandemic | ||
| 4 Dec 2020 - 29 Jan | WGII - AR6 Expert & Government Review of the SOD & the FOD of the Summary for Policymakers (SPM) | |
| 18 Jan - 14 Mar | WGIII - AR6 Expert & Government Review of the SOD & the FOD of the Summary for Policymakers (SPM) | |
| 25 - 31 Jan | SYR - AR6 Core Writing Team 1 (CWT-1) (Virtual meeting) | |
| 1 - 7 Feb (TBC) | WG II - AR6 SPM Drafting Authors' meeting (Location TBC) | |
| 15 - 19 Feb | WG I - AR6 Fourth Lead Author Meeting (LAM4) (virtual meeting) | |
| (TBC) | WG III - AR6 SPM Drafting Author's Meeting (TBC) (Location TBC) | |
| 1 - 12 Mar | WG II - AR6 Fourth Lead Author Meeting (LAM 4) (Virtual meeting) | |
| 16 - 18 Mar | Sixtieth Session of the IPCC Bureau (BUR-60) (electronic and written session) | |
| 22 - 26 Mar | Fifty-third (bis) Session of the IPCC (IPCC-53bis) (electronic and written session) | More information |
| 6 - 7 Apr | Sixtieth (bis) Session of the IPCC Bureau (BUR-60bis) (electronic and written session) | |
| 19-23 Apr | WGIII- AR6 Fourth Lead Author Meeting (LAM4) (Virtual meeting) | |
| 3 - 5 May | TFI - Expert Meeting on Short-Lived Climate Forcers (SLCF) (TBC) | |
| 3 May - 20 June | WG I - AR6 -Final Government Draft (FGD) review | |
| 26 - 30 July | Fifty-fourth Session of the IPCC (IPCC-54) and WGI AR6 Approval Plenary (WGI-14) (Location, TBD) | |
| (TBD) | SYR - AR6 Core Writing Team 2 (CWT-2) (TBC) | |
| 29 Nov – 30 Jan 2022 | WGIII- AR6 Final Government Distribution (FGD) and Government review of SPM |
| 14 - 18 February (TBC) | Fifty-fifth session of the IPCC (IPCC-55) and WGII AR6 Approval Plenary (WGII-12) (Location, TBD) | |
| 21 - 25 March (TBC) | Fifty-sixth session of the IPCC (IPCC-56) and WGIII AR6 Approval Plenary (WGIII-14) (Location, TBD) | |
| 26 -30 September (TBC) and 1 - 6 October (TBC) | Fifty-seventh session of the IPCC (IPCC-57) - Approval session for the Synthesis Report and Fifty-seventh (bis) session (IPCC-57bis) (Geneva, Switzerland) | |