List of abbreviations relating to climate change
This is a list of abbreviations relating to climate change causation, adaptation and mitigation.
A
- ADP - Ad Hoc Working Group on the Durban Platform for Enhanced Action
- AGN -
- APA - Ad Hoc Working Group on the Paris Agreement
- APP - Asia-Pacific Partnership on Clean Development and Climate
- AR4 - Fourth Assessment Report of the IPCC
- AR5 - Fifth Assessment Report of the IPCC
- AR5 SYR - Synthesis Report of AR5
- AR6 - Sixth Assessment Report of the IPCC
- AWG-KP - Ad Hoc Working Group on further Commitments for Annex I Parties under the Kyoto Protocol
- AWG-LCA - Ad Hoc Working Group on Long-term Cooperative Action
- AYCC - Australian Youth Climate Coalition
B
- BAP - Bali Action Plan
C
- C&C - Contraction & Convergence, a global CO2 emissions management model promoted by the Global Commons Institute
- CAIT - The World Resources Institute's Climate Data Explorer archive
- CAPP - Climate Action Pacific Partnership
- *CAPP II - Climate Action Pacific Partnership Conference II – 2018
- *CAPP III - Third meeting of the Climate Action Pacific Partnership Conference
- CCA - Climate Change Agreement
- CCAFS - Climate Change, Agriculture and Food Security Research Program
- CCAF - Climate Change Action Fund
- CCC - Committee on Climate Change
- CCCEP - Centre for Climate Change Economics and Policy
- CCCR - Canada's Changing Climate Report
- CCCS - Centre for Climate Change Studies, University of Dar es Salaam
- CCF - The Scottish Government's
- CCIA -
- CC:iNet - Climate Change Information Network
- CCL - Climate Change Levy
- CCl2F2 - Dichlorodifluoromethane
- CCLS -
- CCRA - Climate Change Risk Assessment
- CCS - Carbon Capture and Storage
- CCSO - Climate Change Support Office, within the United States' Department of State.
- CCUS - Carbon capture, utilization, and sequestration
- CDM - Clean Development Mechanism
- CDP - Organisation formerly known as the Carbon Disclosure Project
- CDR - Carbon dioxide removal
- CER - Certified Emission Reduction
- CFC - Chlorofluorocarbon
- CFRF -
- CF4 - Carbon tetrafluoride or tetrafluoromethane
- CGE - Consultative Group of Experts
- CHClF2 - Chlorodifluoromethane
- CH4 - Methane
- CINC - Interdepartmental Committee of Climate Negotiators
- CLP - The Carbon Literacy Project (CLP)
- CMA - Meeting of the Parties to the Paris Agreement
- *CMA1 - First meeting of the Parties to the Paris Agreement
- **CMA1.2 - The second part of the first session of the Conference of the meeting of the Parties to the Paris Agreement
- **CMA1.3 - The third part of the first session of the Conference of the meeting of the Parties to the Paris Agreement
- *CMA2 - Second meeting of the Parties to the Paris Agreement
- *CMA3 - Third meeting of the Parties to the Paris Agreement
- CMIP - Coupled Model Intercomparison Project
- *CMIP5 - Coupled Model Intercomparison Project, Phase 5
- CMP - Conference of the Parties Serving as the Meeting of Parties to the Kyoto Protocol
- *CMP9 - 9th meeting of the Parties to the Kyoto Protocol
- *CMP10 - 10th meeting of the Parties to the Kyoto Protocol
- *CMP11 - 11th meeting of the Parties to the Kyoto Protocol
- *CMP12 - 12th meeting of the Parties to the Kyoto Protocol
- *CMP13 - 13th meeting of the Parties to the Kyoto Protocol
- *CMP14 - 14th meeting of the Parties to the Kyoto Protocol
- *CMP15 - 15th meeting of the Parties to the Kyoto Protocol
- *CMP16 - 16th meeting of the Parties to the Kyoto Protocol
- CNZ - Carbon Net Zero
- CO2 - Carbon dioxide
- CO2-e - Carbon dioxide equivalent, also CO2-eq
- CoM - Covenant of Mayors for Climate and Energy
- COP - Conference of the Parties
- *COP1 - First UNFCCC Conference of the Parties
- *COP2 - Second UNFCCC Conference of the Parties
- *COP3 - Third UNFCCC Conference of the Parties
- *COP4 - Fourth UNFCCC Conference of the Parties
- *COP5 - Fifth UNFCCC Conference of the Parties
- *COP6 - Sixth UNFCCC Conference of the Parties
- *COP6-bis - Resumed Session of COP6
- *COP7 - Seventh UNFCCC Conference of the Parties
- *COP8 - Eighth UNFCCC Conference of the Parties
- *COP9 - Ninth UNFCCC Conference of the Parties
- *COP10 - Tenth UNFCCC Conference of the Parties
- *COP11 - Eleventh UNFCCC Conference of the Parties
- *COP12 - Twelfth UNFCCC Conference of the Parties
- *COP13 - 13th UNFCCC Conference of the Parties
- *COP14 - 14th UNFCCC Conference of the Parties
- *COP15 - 15th UNFCCC Conference of the Parties
- *COP16 - 16th UNFCCC Conference of the Parties
- *COP17 - 17th UNFCCC Conference of the Parties
- *COP18 - 18th UNFCCC Conference of the Parties
- *COP19 - 19th UNFCCC Conference of the Parties
- *COP20 - 20th UNFCCC Conference of the Parties
- *COP21 - 21st UNFCCC Conference of the Parties
- *COP22 - 22nd UNFCCC Conference of the Parties
- *COP23 - 23rd UNFCCC Conference of the Parties
- *COP24 - 24th UNFCCC Conference of the Parties
- *COP25 - 25th UNFCCC Conference of the Parties
- *COP26 - 26th UNFCCC Conference of the Parties
- *COP27 - 27th UNFCCC Conference of the Parties
- *COP28 - 28th UNFCCC Conference of the Parties, held in the United Arab Emirates
- *COP29 - 29th UNFCCC Conference of the Parties, held in Baku
- *COP30 - 2025 UNFCCC Conference of the Parties, to take place in Belém, Brazil.
- *COP31 - anticipated 2026 UNFCCC Conference of the Parties
- *COP32 - anticipated 2027 UNFCCC Conference of the Parties, to be held in an African host city.
- *COP33 - anticipated 2028 UNFCCC Conference of the Parties. Indian Prime Minister Narendra Modi has proposed hosting COP33 in India.
- CORSIA - Carbon Offsetting and Reduction Scheme for International Aviation
- CPA - Carbon Pricing Act
- CPRS - Carbon Pollution Reduction Scheme
- CRC - CRC Energy Efficiency Scheme, formerly Carbon Reduction Commitment
- CREWS - Climate Risk and Early Warning Systems
- CRU - Climatic Research Unit at the University of East Anglia
- CRU TS - Climatic Research Unit Time Series datasets
- CSA -
- CVF - Climate Vulnerable Forum
- C40 - group of cities focused on fighting the climate crisis: see C40 Cities Climate Leadership Group
D
- DECC - Department of Energy and Climate Change, now Department for Business, Energy and Industrial Strategy
E
- ECI - Environmental Change Institute at the University of Oxford
- EPR -
- ETC - Energy Transition Council
- ETS - Emissions Trading System
- ETSWAP - Emissions Trading Scheme Workflow Automation Project operated by the UK's Environment Agency
F
- FAR - First Assessment Report of the IPCC
- F-gas - Fluorinated gas
- FICER -
- FOLU - Forestry and other land use
- FFF - Fridays for Future
G
- GCF - Green Climate Fund
- GCoM - Global Covenant of Mayors for Climate and Energy
- GHG - Greenhouse gas
- GST - Global Stocktake
- GtC - Gigatonnes of carbon
- GWP - Global warming potential
H
- HadCM3 - Hadley Centre Coupled Model, version 3
- HadGEM - Hadley Centre Global Environmental Model
- *HadGEM1 -
- HCFC - Hydrochlorofluorocarbon
- HFC - Hydrofluorocarbon
I
- ICLEI - International Council for Local Environmental Initiatives
- IKI - International Climate Initiative, a German Federal Government initiative
- IPCC - Intergovernmental Panel on Climate Change
- *IPCC-50 - the IPCC's 50th session
- - IPCC National Greenhouse Gas Inventories Programme
- - ISO standards for climate change mitigation
- - ISO standard for adaptation to climate change — Principles, requirements and guidelines
- - Adaptation to climate change — Guidelines on vulnerability, impacts and risk assessment
- - Adaptation to climate change — Requirements and guidance on adaptation planning for local governments and communities
J
- JI - Joint Implementation
K
- KLD - Ministry of Climate and Environment, Norway
L
- LCDI - Low Carbon Development Indonesia
- LDCF - Least Developed Countries Fund
- LECBP - Low Emission Capacity Building Programme
- LEDS - Low-Emission Development Strategies
- LSCE - Laboratoire des sciences du climat et de l'environnement, Gif-sur-Yvette, France
- LULUCF - Land use, land-use change, and forestry
M
- MCC - Mercator Research Institute on Global Commons and Climate Change, Berlin
- MPGCA - Marrakech Partnership for Global Climate Action
- MoCC - Ministry of Climate Change
- MoEFCC - Ministry of Environment, Forest and Climate Change
- MOP1 - 1st Meeting of the Parties to the Kyoto Protocol
- MOP2 - 2nd Meeting of the Parties to the Kyoto Protocol
- MOP3 - 3rd Meeting of the Parties to the Kyoto Protocol
- MOP4 - 4th Meeting of the Parties to the Kyoto Protocol
- MOP5 - 5th Meeting of the Parties to the Kyoto Protocol
- MRF - Materials Recovery Facility
- MWE/CCD - of the Ministry of Water and Environment
N
- NAMA - Nationally Appropriate Mitigation Actions
- NAPA - National Adaptation Programme of Action
- NAZCA - Non-state Actor Zone for Climate Action
- NC - National Communication
- NCQG - New Collective Quantified Goal: see 2024 United Nations Climate Change Conference
- NDC - Nationally Determined Contributions
- NECIA - Northeast Climate Impacts Assessment
- N2O - Nitrous Oxide
- NRSP - National Reports Submission Portal
O
- O3 - Ozone
P
- PATPA -
- P-CAN - Place-based Climate Action Networks, a UK-based partnership between university researchers and the public, private and third sectors in tackling climate change, aiming to accelerate and sustain the transition to a low-carbon, climate-resilient society through the creation of local climate commissions.
- PCD - Petersberg Climate Dialogue
- *PCD X - Petersberg Climate Dialogue 10
- *PCD XI - Petersberg Climate Dialogue
- PFC - Perfluorocarbon
- PIK - Potsdam Institute for Climate Impact Research
S
- SAR - Second Assessment Report of the IPCC
- SB 52 - Fifty-second session of the Subsidiary Body for Scientific and Technological Advice and the fifty-second session of the Subsidiary Body for Implementation
- SB 56 - the Bonn Climate Change Conference, 56th session of the subsidiary bodies, held on 6 to 16 June 2022
- SBI - Subsidiary Body for Implementation
- *SBI 46 - Forth-sixth session of the Subsidiary Body for Implementation
- *SBI 47 - Forty-seventh session of the Subsidiary Body for Implementation
- *SBI 52 - Fifty-second session of the Subsidiary Body for Implementation
- SBSTA - Subsidiary Body for Scientific and Technological Advice
- SBTi -
- SCCF - Special Climate Change Fund
- SDA -
- SDGs - Sustainable Development Goals
- SECR - Streamlined Energy and Carbon Reporting framework
- SF6 - Sulfur hexafluoride
- SRCCL - Special Report on Climate Change and Land of the IPCC
- SRES - Special Report on Emissions Scenarios of the IPCC
- SR15 - IPCC's Special Report on Global Warming of 1.5 °C
- SSP - Shared Socioeconomic Pathway
T
- TACC - Territorial Approach to Climate Change
- TAR - Third Assessment Report of the IPCC
- TCCC - Tarawa Climate Change Conference
- TCFD - Task Force on Climate-related Financial Disclosures
- tCO2 - Tonnes of carbon dioxide equivalent
- TD - Talanoa Dialogue
- TFI - Task Force on National Greenhouse Gas Inventories
U
- UKCIP - Multi-disciplinary team formerly known as the UK Climate Impacts Programme, based at the Environmental Change Institute at the University of Oxford
- UKCP - UK Climate Projections
- *UKCP09 - UK Climate Projections 2009
- *UKCP18 - UK Climate Projections 2018
- UKHACC -
- UN CC:Learn -
- UNEP - United Nations Environment Programme
- UNFCCC - United Nations Framework Convention on Climate Change
- USCAP - U.S. Climate Action Partnership
W
- WCAS - World Climate Action Summit, held on 1–2 December 2023, during the COP28 United Nations Climate Change Conference.
- WCI - Western Climate Initiative
- WCRP - World Climate Research Programme
- WGI -, which assesses the physical science of climate change
- WGII -, which assesses the vulnerability of socio-economic and natural systems to climate change
- WGIII -, which "focuses on climate change mitigation, assessing methods for reducing greenhouse gas emissions, and removing greenhouse gases from the atmosphere".
- WIM - Warsaw International Mechanism for Loss and Damage associated with Climate Change Impacts
- WMO - World Meteorological Organization
- WRI - World Resources Institute
Numerical
- 4CMR - Former