IPCC AR6 Acronyms

1.5 Degree Scenario (SR1.5)

20th Century Reanalysis (WGI)

2 Degree Scenario (SR1.5)

3-Nitrooxypropanol (SRCCL)

Physiological Processes Predicting Growth (WGII)

Above Sea Level (SROCC)

Afforestation/Reforestation (SRCCL)

Afforestation and Reforestation (WGII)

afforestation/reforestation (WGIII)

Special Report on Emissions Scenarios A1B scenario (WGI)

Antarctic Bottom Water (SROCC; WGI)

Africa Adaptation Initiative (WGII)

Antarctic intermediate water (WGI)

Antarctic Oscillation (WGI)

Antarctic Ocean Oscillation (WGII)

Australian Academy of Science (WGII)

Assembly Bill (WGIII)

Low Carbon Agriculture Plan (SRCCL)

Agent-Based Model (SRCCL)

Areas Beyond National Jurisdiction (SROCC; WGII)

Scenario with abrupt quadrupling of the atmospheric concentration of carbon dioxide (WGI)

Australian Bureau of Statistics (WGII)

Arctic Council (SROCC)

Air Conditioning (WGII)

alternating current (WGIII)

Antarctic Circumpolar Current (SROCC; WGI)

Australian Competition and Consumer Commission (WGII)

Asian Cities Climate Change Resilience Network (WGII)

Australian Community Climate and Earth-System Simulator (SR1.5)

Australian Community Climate and Earth System Simulator (WGI)

Atmospheric Chemistry and Climate Model Intercomparison Project (SR1.5; WGI)

The Asian Cities Climate Change Resilience Network (SR1.5)

Agreement on Climate Change, Trade and Sustainability (WGIII)

Accumulated Cyclone Energy (WGI)

Antarctic Climate & Ecosystems Cooperative Research Centre (WGII)

areal carbon footprint (WGIII)

Australian Council of Learned Academies (SR1.5)

Agriculture and Climate Risk Enterprise (WGII)

Air Conditioners (SR1.5)

Australian Capital Territory (WGII)

Asian Development Bank (SR1.5; SRCCL; WGII)

Agence de l'Environnement et de la Maîtrise de l'Energie (French Environment and Energy Management Agency) (WGIII)

Advanced Model Development and Validation for the Improved Analysis of Costs and Impacts of Mitigation Policies (SR1.5)

Alternate Drying and Wetting (WGII)

atmospheric evaporative demand (WGI)

Australian Energy Market Operator (WGII)

Aerosol Chemistry Model Intercomparison Project (SRCCL)

Aerosols and Chemistry Model Intercomparison Project (WGI)

Aerosol Comparisons between Observations and Models project (WGI)

Aerosol Robotic Network (WGI)

African Easterly Wave (WGI)

Alaska Eskimo Whaling Commission (SROCC)

Agro-Ecological Zone (SR1.5)

airborne fraction of CO2 (WGI)

Africa / Agroecological Farming (WGII)

Adaptation Fund (WGIII)

French Development Agency (WGIII)

African Development Bank (SR1.5; WGII)

Agriculture, Forestry and Other Land-Use (SR1.5)

Agriculture, Forestry and Other Land Use (SRCCL; SYR; WGII; WGI; WGIII)

Africa (WGI; WGIII)

Australian Sustainable Finance Initiative (WGII)

Advanced Global Atmospheric Gases Experiment (WGI; WGIII)

Atmospheric General Circulation Model (SR1.5)

atmospheric global climate model (WGI)

absolute global forcing potential (WGI)

Agricultural Model Intercomparison and Improvement Project (SRCCL; WGII)

agriculture and ecological droughts (WGI)

Alliance for a Green Revolution in Africa (SRCCL)

absolute global temperature change potential (WGI)

absolute global warming potentials (WGI)

Analytic Hierarchy Processing (WGII)

Artificial Intelligence (SR1.5; WGII; WGIII)

Aridity Index (SRCCL)

Australian Institute for Disaster Resilience (WGII)

Australian Institute of Health and Welfare (WGII)

Association of the Latin American and Caribbean Countries (WGIII)

Asia-Pacific Integrated Model (SR1.5)

Atmospheric Infrared Sounder (WGI)

Antarctic Ice Sheet (SROCC; WGI)

Alaska (WGII)

Alaska/Northwest Canada (SR1.5)

Alianza Bolivariana para los Pueblos de Nuestra América (Bolivarian Alliance for the Peoples of our Americas) (WGIII)

Attributional Life Cycle Assessment (WGIII)

all forcings (WGI)

Active-Layer Thickness (SROCC)

Active Layer Thickness (WGI; WGII)

additive manufacturing (WGIII)

Arctic Monitoring and Assessment Programme (SR1.5)

Atmospheric Model Intercomparison Project (WGI)

Atlantic Meridional Mode (WGI)

African Monsoon Multidisciplinary Analyses (WGI)

Atlantic Multi-decadal Oscillation (SRCCL; WGI)

Atlantic Multidecadal Oscillation (SROCC; WGII)

Atlantic Meridional Overturning Circulation (SR1.5; SROCC; WGI; WGII)

Adjusting Mitigation Pathway (SR1.5)

Advanced Microwave Sounding Unit (WGI)

Atlantic Multidecadal Variability (SROCC)

Atlantic Multi-decadal Variability (WGI)

Amazon (SR1.5)

Annual Net Primary Productivity (WGII)

Antarctica (SR1.5)

Arctic Oscillation (WGI)

aerosol optical depth (WGI)

Atmosphere-Ocean General Circulation Model (SROCC)

Atmosphere–Ocean General Circulation Model (WGI; WGII)

Alliance of Small Island States (WGII)

Antarctic Peninsula (SROCC; WGI)

Asia-Pacific Economic Cooperation (WGIII)

Air Pollutants Exposure Model (SR1.5)

Agricultural Adaptation and Perception (WGII)

Australian Prudential Regulation Authority (WGII)

air quality (WGI)

Afforestation and Reforestation (SR1.5; SRCCL)

atmospheric river (WGI)

Atmospheric River / Assessment Report (WGII)

IPCC Fourth Assessment Report (SR1.5; WGI; WGII)

IPCC 4th Assessment Report (SROCC)

Fourth Assessment Report of the Intergovernmental Panel on Climate Change (WGIII)

IPCC Fifth Assessment Report (SR1.5; WGI; WGII)

Fifth Assessment Report (SRCCL; SYR)

IPCC 5th Assessment Report (SROCC)

Fifth Assessment Report of the Intergovernmental Panel on Climate Change (WGIII)

IPCC Sixth Assessment Report (SR1.5; WGI; WGII)

IPCC 6th Assessment Report (SROCC)

Sixth Assessment Report (SYR)

Sixth Assessment Report of the Intergovernmental Panel on Climate Change (WGIII)

Seventh Assessment Cycle of the Intergovernmental Panel on Climate Change (WGIII)

Arab Region of Asia (WGII)

Arctic (SR1.5)

Africa Risk Capacity (SRCCL)

African Risk Capacity (WGIII)

Acute Respiratory Infection (WGII)

Adaptive Risk Management (SRCCL)

Arctic Ocean (WGI)

Arabian Peninsula (WGI)

Advanced Research Projects Agency-Energy (WGIII)

Arabian Sea (WGI)

Architecture for REDD+ Transactions (WGIII)

Article (e.g., of the UNFCCC) (WGIII)

Adaptation for Smallholder Agriculture Programme (WGIII)

Australian Sustainable Built Environment Council (WGII)

Agreement on Subsidies and Countervailing Measures (WGIII)

Amundsen Sea Embayment (SROCC; WGI; WGII)

Association of Southeast Asian Nations (SR1.5; WGII)

Animal Sourced Foods (SRCCL)

Animal Sourced Food (SROCC)

Australian Sustainable Finance Initiative (WGII)

Avoid-Shift-Improve (WGIII)

Non-OECD Asia (SR1.5)

available seat kilometres (WGIII)

Adaptive Social Protection (WGII)

Air Temperature / Austria (WGII)

Adaptation Thought Leadership and Assessments (WGII)

Antarctic Treaty System (SROCC)

African Union (WGII)

Area under the Curve (WGII)

Australian Dollar (SR1.5)

assets under management (WGIII)

Auckland Unitary Plan (WGII)

Australasia (WGI)

Australian–Maritime Continent monsoon (WGI)

Advanced High Resolution Radiometer (SRCCL)

Advanced Very High Resolution Radiometer (WGI)

Alternate Wetting and Drying (SRCCL)

Atlantic Zonal Modes (WGI)

Beyond 2 Degrees Scenario (SR1.5)

British Association for Parenteral and Enteral Nutrition (SRCCL)

Brazil, South Africa, India, China (SR1.5)

Brazil, South Africa, India and China (WGIII)

best available technology (WGIII)

Business as Usual (SRCCL; WGIII)

Business-as-Usual (WGII)

Black Carbon (SR1.5; SROCC; WGI; WGIII)

Biochar / Black Carbon (SRCCL)

British Columbia (WGII)

border carbon adjustment (WGIII)

Beijing Climate Center Climate System Model (SR1.5)

Before the Common Era (WGI)

Built Cultural Heritage (WGII)

Bergen Climate Model (SR1.5)

biological carbon pump (WGI)

Benefit Cost Ratio (SRCCL)

Benefit-to-Cost Ratio (WGII)

The Bangladesh Delta Plan (WGII)

Bioenergy (SRCCL)

Berkeley Earth (WGI)

Belgium (WGII)

Bioenergy with Carbon Dioxide Capture and Storage (SR1.5; SYR)

Bioenergy with Carbon Capture and Storage (SRCCL; SROCC; WGII; WGI; WGIII)

building energy efficiency standards (WGIII)

Bio-Economic Farm Model (SRCCL)

building energy management systems (WGIII)

Berkeley Earth Surface Temperature (SRCCL)

Basic Energy systems, Economy, Environment, and End-use Technology Model (SR1.5)

Battery Electric Vehicle (SR1.5; WGIII)

blast furnace-basic oxygen furnace (WGIII)

Barmah Forest Virus (WGII)

Building Information Modelling (WGIII)

building-integrated photovoltaic (WGIII)

Bookkeeping of land-use emissions (WGIII)

Best Management Practices (WGII)

Bloomberg New Energy Finance (SR1.5)

Beijing Normal University (SR1.5)

Bay of Bengal (WGI)

Bureau of Meteorology (WGII)

Bremen Overseas Research & Development Association (WGII)

before the present (WGI)

Biomass Production Efficiency (SRCCL)

Biennial Report (WGII; WGIII)

Brown Carbon (SRCCL; WGI)

Belt and Road Initiative (WGII; WGIII)

Brazil, Russia, India, China and South Africa (WGII)

Bus Rapid Transit (SR1.5)

bus rapid transport (WGIII)

boreal summer intra-seasonal oscillation (WGI)

Bhutanese Traditional Medicine (WGII)

biennial transparency report (WGIII)

British thermal units (WGIII)

Blue-Tongue Virus (SRCCL)

bottom up (WGI)

Biannual Update Report (SRCCL)

biennial update report (WGIII)

Biogenic Volatile Organic Compounds (SRCCL; WGII)

biogenic volatile organic compound (WGI)

Carbon (SR1.5; SRCCL)

Climate Rapid Overview And Decision-support Simulator (SR1.5)

Cities and Settlements (WGII)

Copernicus Climate Change Service (WGI)

Coupled Climate Carbon Cycle Model Intercomparison Project (WGI)

Conservation Agriculture (SR1.5; SRCCL; WGII)

capability approach (WGIII)

Centre for Agriculture and Bioscience International (SRCCL)

Central Asian Countries Initiative for Land Management (SRCCL)

Corporacion Andina de Fomento (Development Bank of Latin America) (SR1.5)

Central Africa (WGI)

Concentrated Animal Feeding Operations (SRCCL)

compound annual growth rate (WGIII)

Climate Analysis Indicators Tool (WGIII)

Central America/Mexico or Community Atmosphere Model (SR1.5)

Central America (WGI)

Crassulacean Acid Metabolism (WGII)

Compensatory Afforestation Management and Planning Authority (SRCCL)

Copernicus Atmosphere Monitoring Service (WGI)

Comprehensive Air Quality Model with Extensions (SR1.5)

Canadian Earth System Model (SR1.5)

Canadian Earth System Model version 2 (WGI)

Canadian Earth System Model version 5 (WGI)

Canadian Regional Climate Model (SR1.5)

Central Arctic Ocean (SROCC)

convective available potential energy (WGI)

capital expenditure (WGIII)

Small Islands Regions Caribbean (SR1.5)

Caribbean (WGI)

Climate Action Reserve (WGIII)

Central Asia (SR1.5)

Climate Action Tracker (WGIII)

Catchment-scale Hydrological Models (SR1.5)

Catastrophe Risk Deferred Drawdown Option (SRCCL)

Central Australia (WGI)

Community-based Adaptation (SR1.5; SROCC)

Cost-Benefit Analysis (SR1.5; WGIII)

Community-based Adaptation/Cost Benefit Analysis (SRCCL)

Community-Based Adaptation / Commonwealth Bank of Australia (WGII)

carbon border adjustment mechanism (WGIII)

consumption-based carbon footprint (accounting) (WGIII)

Convention on Biological Diversity (SR1.5; SROCC; WGII; WGIII)

United Nations Convention on Biodiversity (SRCCL)

Common But Differentiated Responsibilities and Respective Capabilities (SR1.5)

common but differentiated responsibilities and respective capabilities (WGIII)

consumption-based emissions (WGIII)

Community-based Monitoring (SROCC)

Community-Based Organisations (WGII)

Central Banks (WGII)

Centre for Bhutan Studies and Gross National Happiness Research (SR1.5)

Carbon Capture (SR1.5; SRCCL)

Climate Change Adaptation (SRCCL)

Climate-Change Adaptation (WGII)

Climate and Clean Air Coalition (WGIII)

CGIAR Research Program on Climate Change, Agriculture and Food Security (SRCCL)

Climate Change, Agriculture and Food Security (WGII)

Conformal Cubic Atmospheric Model (SR1.5)

Convention for the Conservation of Antarctic Marine Living Resources (SROCC)

Climate Change Adaptation Technical Working Group (WGII)

Constant Composition Commitment (SR1.5)

Climate Change Committee (WGII)

Canadian Centre for Climate Modelling and Analysis (SR1.5)

Climate Compatible Development (WGII)

climate-compatible development (WGIII)

China Clean Development Mechanism Fund (WGII)

Climate-Change Education (WGII)

chemistry–climate model (WGI)

Chemistry–Climate Modelling Initiative (WGI)

Cloud Condensation Nuclei (SRCCL; WGI)

Cross-Chapter Paper (WGII)

Climate Change Performance Index (WGIII)

Climate Change Response Act (WGII)

Caribbean Catastrophe Risk Insurance Facility (SR1.5; SRCCL; WGII; WGIII)

Carbon dioxide Capture and Storage (SR1.5; WGI)

Carbon dioxide Capture and Storage / Carbon Capture and Storage (SRCCL)

Carbon Capture and Storage (SYR; WGII; WGIII)

Community Climate System Model (SR1.5)

Cirrus Cloud Thinning (SR1.5; WGII; WGI; WGIII)

Carbon Dioxide Capture and Utilisation (SR1.5; WGII)

Carbon Capture and Usage (SRCCL)

Carbon Capture and Utilization (SYR)

carbon capture and utilisation (WGIII)

Carbon dioxide Capture, Utilisation and Storage (SR1.5)

carbon capture, use and storage (WGIII)

Chicago Climate Exchange (WGIII)

cooling degree days (WGI)

charge depleting (WGIII)

Linking Climate and Development Policies – Leveraging International Networks and Knowledge Sharing (SR1.5)

Community Development Committees (WGII)

Consecutive Dry Days (SR1.5; WGII; WGI)

cooling degree-days (WGIII)

Civil Defence & Emergency Management (WGII)

Carbon Dioxide Information Analysis Center (WGIII)

Climate & Development Knowledge Network (WGII)

Clean Development Mechanism (SR1.5; SRCCL; WGII; WGIII)

Community Disaster Management Committees (WGII)

Carbon Disclosure Project (SR1.5; SRCCL)

Carbon Dioxide Removal (SR1.5; SRCCL; SROCC; SYR; WGII; WGI; WGIII)

Carbon Dioxide Removal Model Intercomparison Project (WGI)

Circumpolar Deep Water (WGI)

Common Era (WGI)

Circular Economy (WGII; WGIII)

Cost-Effectiveness Analysis (SR1.5; WGIII)

Cost Effectiveness Analysis (SRCCL)

Clean Energy Council (SR1.5)

Commission of the European Communities (SRCCL)

Community Emissions Data System (SR1.5; WGI; WGIII)

Census and Economic Information Center (WGII)

Conservation Reserve Program (SRCCL)

Contextualizing Climate Engineering and Mitigation: Illusion, Complement or Substitute? (SR1.5)

The Community of Sahel-Saharan States (SRCCL)

Certified Emissions Reduction (WGII)

Clouds and the Earth's Radiant Energy System (WGI)

Constant Elasticity of Substitution (SR1.5)

Cultural Ecosystem Services / Circulating and Ecological Sphere (WGII)

Community Earth System Model (SR1.5; WGI)

EU-Canada Comprehensive Economic and Trade Agreement (WGIII)

Central Europe (SR1.5)

Chlorofluorocarbons (SROCC)

Chlorofluorocarbon (WGII)

Chlorofluorocarbons (SR1.5; WGI; WGIII)

contract for difference (WGIII)

compact fluorescent lamp [/lighting] (WGIII)

Community Forest Management (WGII)

Cloud Feedback Model Intercomparison Project (WGI)

Ciguatera Fish Poisoning (WGII)

Coal-Fired Power Plant (WGII)

Committee on World Food Security (SRCCL)

Climate Forecast System Reanalysis (WGI)

Coupled Global Climate Model (SR1.5)

Computable General Equilibrium (SR1.5; WGII; WGIII)

Canada/Greenland/Iceland (SR1.5)

Consultative Group on International Agricultural Research (SR1.5; WGII)

Consultative Group on International Agricultural Research (SRCCL)

Coordinated Global and Regional Assessment (SRCCL)

Coordinated Global and Regional Assessments (WGII)

combined global temperature change potential (WGI; WGIII)

Switzerland (WGII)

Methane (SR1.5; SRCCL; SYR; WGI; WGIII)

Chikungunya Virus (WGII)

Climate Hazards Group Infrared Precipitation with Station (SRCCL)

Chlorophyll a (WGII)

Czech Hydrometeorological Institute (SRCCL)

Combined Heat and Power (SR1.5; SRCCL; WGIII)

Confidence Interval (SR1.5; SRCCL)

International Centre for Tropical Agriculture (SRCCL)

Center for International Climate and Environment Research (WGI)

Common International Classification of Ecosystem Services (WGII)

Climatic impact-driver (SYR; WGI)

Climate-Impact Driver (WGII)

Carbon Intensity Indicator (WGIII)

Central Institute of Post-Harvest Engineering and Technology (SRCCL)

Centre International de Recherche sur l'Environnement et le Développement (SR1.5)

Centro de Información de Recursos Naturales (SRCCL)

Climate Information Services (WGII)

Cambridge Institute for Sustainability Leadership (SR1.5)

Community Ice Sheet Model 2 (WGI)

Collaborative Labelling and Appliance Standards Program (WGIII)

constant land cover (WGIII)

Consequential Life Cycle Assessment (WGIII)

Climate Laws, Institutions and Measures Index (WGIII)

Caribbean low-level jet (WGI)

Climate Limited-area Modelling (SR1.5)

Community Learning Platform (WGII)

Convention on Long-Range Transboundary Air Pollution (WGIII)

China Land Surface Air Temperature (WGI)

cross-laminated timber (WGIII)

Centimetres (SR1.5)

Cultured Meat (SRCCL)

Conference of the Parties serving as the meeting of the Parties to the Paris Agreement (WGIII)

NOAA Climate Prediction Center Merged Analysis of Precipitation (WGI)

Community Multiscale Air Quality Modeling System (SR1.5)

Centre of Monitoring the Indian Economy (SRCCL)

Coupled Model Intercomparison Project (SROCC; WGI; WGII)

Coupled Model Intercomparison Project Phase 3 (SR1.5; SROCC; WGI; WGII)

Coupled Model Intercomparison Project Phase 5 (SR1.5; SRCCL; SROCC; SYR; WGI; WGII)

Coupled Model Intercomparison Project Phase 6 (SR1.5; SRCCL; SROCC; SYR; WGI; WGII; WGIII)

Crude Mortality Rate (WGII)

Climate Measurement Standards Initiative (WGII)

Central North America (SR1.5; WGI)

compressed natural gas (WGIII)

Centre National de Recherches Météorologiques (SR1.5)

Centre National de la Recherche Météorologique (WGI)

Carbon monoxide (SR1.5; SRCCL; WGI; WGIII)

Carbon Dioxide (SR1.5; SRCCL; SYR; WGI; WGIII)

Carbon Dioxide Equivalent (SYR; WGI; WGIII)

CO2 from Fossil Fuel combustion and Industrial processes (SYR)

CO2 from Land Use, Land-Use Change and Forestry (SYR)

Carbon dioxide equivalent (SR1.5; SRCCL)

Carbon dioxide equivalent (SR1.5; SRCCL)

Commonwealth of Australia (WGII)

Council of Australian Governments (WGII)

Centennial in situ Observation-Based Estimates of Sea Surface Temperature (WGI)

Centre for Dialogue on Human Settlement and Poverty Alleviation (WGII)

Covenant of Mayors (SR1.5)

Climate policy assessment and Mitigation Modelling to Integrate national and global Transition pathways (WGIII)

Conference of the Parties (SR1.5; SRCCL; WGII)

Conference of Parties (SROCC)

coefficient of performance (WGIII)

Conference of the Parties to the UNFCCC (WGIII)

16th Session of the Conference of the Parties (WGII)

19th Session of the Conference of the Parties (WGII)

26th Session of the Conference of the Parties (WGII)

Chronic Obstructive Pulmonary Disease (WGII)

Programa de Planejamento Energético – COmputable Framework For Energy and the Environment (SR1.5)

Coordinated Regional Climate Downscaling Experiment (SR1.5; WGI; WGII)

Carbon Offsetting and Reduction Scheme for International Aviation (WGIII)

Consortium for Small-scale Modeling (SR1.5; WGI)

Coastal Storm Modeling System (SROCC)

Corporación De Servicios De Salud Y Desarrollo Socioeconómico, El Otoao (WGII)

coronavirus disease of 2019 (WGI)

Coronavirus Disease 2019 (WGII)

Coordinated Ocean Wave Climate Project (SROCC)

Central Pacific (WGI)

Conservation Priority Areas (WGII)

Climate Policy Initiative / Climate Policy Integration (WGII)

convection-permitting model (WGI)

Continuous Plankton Recorder (SROCC)

Climate Policy Relevant Sectors (WGIII)

Comprehensive and Progressive Agreement for Trans-Pacific Partnership (WGIII)

climate risk and adaptation assessment (WGI)

Climate Resilient City (WGII)

Canadian Regional Climate Model (SR1.5; SRCCL)

Climate Resilient Development (SYR; WGII)

climate-resilient development (WGIII)

Climate-Resilient Development Pathway (SROCC)

Climate Resilient Development Pathway (WGII)

Climate-Resilient Development Pathways (SR1.5)

cloud radiative effect (WGI)

Community Resource Management Area Mechanisms (Ghana) (WGIII)

common reporting format (WGIII)

City Region Food System (WGII)

Climate Resilient Green Economy (WGII)

Climate Relevant Innovation-system Builders (WGIII)

Climate Risk Informed Decision Analysis (WGII)

Institut Central de Recherche des Industries Électriques (SR1.5)

Clustered Regularly Interspaced Short Palindromic Repeats (SR1.5; SRCCL)

cloud resolving model (WGI)

Climate Risk Management (WGII)

Chief Resilience Officer (WGII)

Conservation Reserve Program (SRCCL)

Climate Regime Shifts (WGII)

Climatic Research Unit (SR1.5)

Climatic Research Unit of the University of East Anglia (SRCCL)

Climate Research Unit (WGI)

Dataset of the Climatic Research Unit of the University of East Anglia (SRCCL)

Climatic Research Unit gridded global historical near-surface air temperature dataset (WGI)

Climatic Research Unit gridded time-series dataset (WGI)

Climate Resilient Villages (SRCCL)

Climate Services (WGII)

charge sustaining (WGIII)

Climate-Smart Agriculture (SR1.5)

Climate Smart Agriculture (SRCCL)

Central and South American / Climate-Smart Agriculture (WGII)

Cross-Section Box (SYR)

Climate Service Center Germany (SR1.5)

climate-smart cocoa (WGIII)

Cold Spell Duration Index (SR1.5)

Climate-Smart Forestry (WGII)

Cement Sustainability Initiative (WGIII)

Commonwealth Scientific and Industrial Research Organisation (SR1.5; WGI)

Commonwealth Scientific Industrial and Research Organisation (WGII)

Civil Society Organisation (SRCCL)

Combined Sewer Overflows (WGII)

Concentrated Solar Power (SR1.5)

concentrating solar power (WGIII)

Corporate Social Responsibility (SR1.5; WGIII)

Climatically Suitable Region (WGII)

cross-sector social partnership (WGIII)

Climate Smart Village (SRCCL)

Covenant Territorial Coordinator (SR1.5)

Climate Technology Centre and Network (WGIII)

Current Policies scenario (WGIII)

Cardiovascular Disease (WGII)

Consecutive Wet Days (SR1.5)

Czech Republic (WGII)

Development Assistance Committee (WGII)

direct air capture (WGIII)

Direct Air Carbon dioxide Capture and Storage (SR1.5)

Direct Air Carbon Capture and Storage (SYR; WGII; WGIII)

direct air carbon capture with carbon storage (WGI)

direct air capture carbon and utilisation (WGIII)

Direct Air Capture and Storage (SR1.5)

Direct Access Entities (WGII)

Dangerous Anthropogenic Interference (WGII)

Disability Adjusted Life Year (SR1.5; WGIII)

Disability-Adjusted Life-Year (SRCCL)

Disability-Adjusted Life Year (WGII)

Detection and Attribution Model Intercomparison Project (WGI)

Dynamic Adaptive Pathways Planning (WGII)

Diameter at Breast Height (WGII; WGIII)

direct current (WGIII)

Department of Climate Change, Energy and Efficiency (WGII)

Decadal Climate Prediction Project (WGI)

Dichlorodiphenyl-trichloroethane (SROCC)

Germany (WGII)

Data Envelopment Analysis (WGII)

Diagnostic, Evaluation and Characterization of Klima (WGI)

Deep-Time Model Intercomparison Project (WGI)

Department of Environment and Heritage Protection (WGII)

Department of Environment, Land, Water and Planning (WGII)

Digital Elevation Model (WGII)

Department of Environment and Natural Resources (WGII)

Department of Environment and Resource Management, India (SRCCL)

Department of Environment and Science (WGII)

Department of Economic and Social Affairs (WGII)

Desertification Mitigation and Remediation of Land (SRCCL)

drought frequency (WGI)

Development Finance Institutions (WGII)

Dynamic Global Vegetation Model (SRCCL; WGI; WGIII)

Dynamic Global Vegetation Models (WGII)

Degree Heating Week (SROCC)

Degree Heating Weeks (WGII)

Drought Index (WGI)

Dissolved Inorganic Carbon (SROCC; WGI)

Dynamic Integrated Climate-Economy model (SR1.5)

Drought Impact and Needs Assessment (WGII)

Department of Industry, Science, Energy and Resources (WGII)

Do It Yourself (WGII)

December, January, February (SR1.5; SROCC)

December-January-February (SRCCL)

December–January–February (WGI)

December–January–February–March (WGI)

decent living standards (WGIII)

Daily Maximum 8-Hour exposure (SR1.5)

Decision-Making under Deep Uncertainty (WGII)

Dust Mass Path (SRCCL)

dimethyl sulphide (WGI)

Dynamic New Earth 21 model (SR1.5)

Dissolved Oxygen (SROCC)

Dissolved Organic Carbon (SROCC)

Dissolved Organic Carbon / Department of Conservation (WGII)

Dust Optical Depth (SRCCL)

Department of Energy (USA) (SR1.5)

Dissolved Organic Matter (WGII)

Democratic Republic of Congo (WGII)

Disaster Risk Financing and Insurance Program (WGII)

Direct Reduced Iron (SR1.5; WGIII)

Disaster Risk Management (SR1.5; SRCCL; SROCC; SYR; WGII)

Disaster Risk Reduction (SRCCL; WGII)

Deep Scattering Layers (SROCC)

demand-side management (WGIII)

Direct-Seeded Rice (WGII)

diurnal temperature range (WGI)

Technical University of Denmark (SR1.5)

Dobson Units (WGI)

down woody material (WGIII)

Equilibrium, Evaporation or Evapotranspiration (SR1.5)

Exposure (WGII)

European Hydrological Predictions for the Environment (SR1.5)

energy as a service (WGIII)

Expected Annual Damages (SROCC; WGII)

East Africa (SR1.5)

electric arc furnace (WGIII)

East Antarctic Ice Sheet (SR1.5; SROCC; WGI; WGII)

East Antarctica (WGI)

Equatorial Atlantic Ocean (WGI)

East Asia (SR1.5; WGI)

East Asian monsoon (WGI)

East Asian summer monsoon (WGI)

Eastern Australia (WGI)

East Asian winter monsoon (WGI)

Ecosystems-based Adaptation (SR1.5)

Ecosystem Based Adaptation (SRCCL)

Ecosystem-Based Adaptation (SROCC; SYR; WGII)

CERES Energy Balanced and Filled climate data record (WGI)

extraction-based emissions (WGIII)

Energy Balance Model (WGI)

Ecosystem-Based Management (WGII)

Eastern Bering Sea (WGII)

Ecologically and Biologically Significant Areas (WGII)

Eastern Boundary Upwelling System (SROCC; WGII)

Eastern boundary upwelling systems (WGI)

European Commission (SR1.5)

Elemental Carbon or European Commission (SRCCL)

End-Century (WGII)

European Court of Auditors (SRCCL)

European Central Bank (WGII)

European Climate Foundation (SR1.5)

European Centre for Medium-Range Weather Forecasts (SR1.5; SROCC; WGI)

Economic and Social Council of the United Nations (WGII)

Extended Concentration Pathway (SROCC)

Equilibrium Climate Sensitivity (SR1.5; WGII; SYR; WGI)

Essential Climate Variable (WGI)

Extreme Coastal Water Level (WGI; WGII)

European Centre for Disease Prevention and Control (WGII)

Emission Database for Global Atmospheric Research (SR1.5)

Emissions Database for Global Atmospheric Research (SRCCL; WGIII)

electrochemical double layer capacitor (WGIII)

Emergency and Disaster Risk Management (WGII)

Elevation Dependent Warming (SROCC)

elevation-dependent warming (WGI)

European Environment Agency (SR1.5; SRCCL; WGII)

Eastern Europe and West Central Asia (WGIII)

Early Eocene Climatic Optimum (WGI)

Energy Efficiency Directive (WGIII)

Energy Efficiency Design Index (WGIII)

emissions embodied in exports (WGIII)

emissions embodied in imports (WGIII)

Energy Efficient Mortgage (WGIII)

electrical energy storage (WGIII)

emissions embodied in trade (WGIII)

Eastern Europe (WGI; WGII)

Energy Efficiency Existing Ship Index (WGIII)

Exclusive Economic Zone (SROCC; WGII)

Emission Factor (SRCCL; WGIII)

Environmental Flow Requirements (WGII)

European Food Safety Authority (SRCCL)

Ecological Fiscal Transfer (SRCCL)

exagrams of carbon (1000 petagrams of carbon) (WGI)

ECHO-G Middle Atmosphere Model (SR1.5)

exhaust gas recirculation (WGIII)

Expert Group on Technology Transfer (WGIII)

Energy Information Administration (WGII)

Energy Improvement Mortgages (WGIII)

Equatorial Indian Ocean (WGI)

energy and industrial processes (WGIII)

Exajoules (SR1.5)

exajoule (WGIII)

Environmental Kuznets Curve (WGII)

Economics of Land Degradation or Economics of Land Degradation Initiative (SRCCL)

land-use change emissions (WGIII)

International Disaster Database (SRCCL)

Eco-Management and Auditing Scheme (WGIII)

European Monitoring and Evaluation Programme (SR1.5)

Energy Modeling Forum (SR1.5)

Earth-system Model of Intermediate Complexity (SR1.5)

Earth models of intermediate complexity (WGI)

East North America (SR1.5)

Eastern North America (WGI)

East Africa and the West African Sahel (WGII)

El Niño-Southern Oscillation (SR1.5; SROCC; WGII)

El Niño/Southern Oscillation (SRCCL)

El Niño–Southern Oscillation (WGI)

empirical orthogonal function (WGI)

Enhanced Oil Recovery (SR1.5)

Essential Ocean Variable (WGI)

Eastern Pacific (WGI)

Environmental Peacebuilding (WGII)

Environmental Protection Agency (USA) (SR1.5)

UN Environmental Protection Agency (SRCCL)

USA Environmental Protection Agency (WGI)

Energy Performance Buildings Directive (WGIII)

Energy Performance Certificates (WGIII)

Environmental Product Declaration (WGIII)

Energy-Intensive Processing Industries (SR1.5)

Equatorial Pacific Ocean (WGI)

extended producer responsibility (WGIII)

Emissions Performance Standard (WGIII)

equatorial America (WGI)

ECMWF ReAnalysis (SR1.5)

ECMWF global reanalysis (WGI)

ECMWF 20th century reanalysis (WGI)

ECMWF 20th century atmospheric model ensemble (WGI)

ECMWF global reanalysis (replaces ERA-Interim) (WGI)

Effective Radiative Forcing (SR1.5; WGI; WGIII)

Effective Radiative Forcing from aerosol-cloud interactions (SR1.5)

effective radiative forcing due to aerosol–cloud interactions (WGI)

Effective Radiative Forcing from aerosol-radiation interactions (SR1.5)

effective radiative forcing due to aerosol–radiation interactions (WGI)

Economic Research Institute for ASEAN and East Asia (WGIII)

Extended Reconstructed Sea Surface Temperature (WGI)

Ecosystem Service (SRCCL)

Executive Summary (SYR)

Expected Shortfall / Spain (WGII)

Energy Savings Feed-in Tariff (WGIII)

European Space Agency (WGI; WGII)

energy services agreement (WGIII)

European Space Agency Climate Change Initiative (SROCC; WGI; WGII)

East Southern Africa (WGI; WGII)

East Siberia (WGI)

Earth Systems and Climate Change (WGII)

Electricity Sector Climate Information (WGII)

Energy Service Company (WGIII)

Energy Service Companies (SR1.5)

Education for Sustainable Development (WGII; WGIII)

environmental, social and governance (WGIII)

Earth System Grid Federation (WGI)

Extreme Sea Level (SR1.5; SRCCL; SROCC; WGII; WGI)

Earth System Model (SR1.5; SROCC; WGII; WGI)

Earth System Models (SRCCL)

energy systems model (WGIII)

Earth System Model Evaluation Tool (WGI)

Empirical Scaling Relationship (SR1.5)

European Systemic Risk Board Advisory Scientific Committee (SR1.5)

NOAA Earth System Research Laboratory (SR1.5; WGI)

Economic and Sector Work (WGII)

extreme still water levels (WGI)

Extreme Still Water Level (WGII)

Evapotranspiration (WGI; WGII)

Eta Centro de Previsão do Tempo e Estudos Climáticos (SR1.5)

Extratropical Cyclone (SROCC; WGI)

Extra-Tropical Cyclone (WGII)

Expert Team on Climate Change Detection and Indices (WGI)

Pacific Islands region [3] or Energy Technology Perspectives model (SR1.5)

Energy Technology Perspectives (IEA report) (WGIII)

Emission Trading Scheme (SR1.5)

Emissions Trading Scheme (SRCCL)

Emissions Trading System (WGIII)

Extreme Total Water Level (WGI; WGII)

European Union (SR1.5; SRCCL; WGI; WGII; WGIII)

European Union Emissions Trading Scheme (WGIII)

European Union member states [excluding UK] (WGIII)

European Union member states [including UK] (WGIII)

European Union Sixth Framework Programme (SR1.5)

European Union Renewable Energy Directive (SRCCL)

EU Renewable Energy Directive (WGIII)

France, Germany, Italy, United Kingdom (SR1.5)

European branch of the Coordinated Regional Climate Downscaling Experiment (SR1.5)

Electric Vehicle (SR1.5; SYR; WGII; WGIII)

Enhanced Vegetation Index (SRCCL)

Enhanced Weathering (SR1.5; WGII; WGIII)

Early Warning and Early Action (SRCCL)

European Water Framework Directive (WGII)

Early Warning Systems (SRCCL)

Early Warning System (SROCC; SYR; WGII)

Fluorinated gases (SR1.5)

fluorinated gas (WGIII)

Fluorinated gases (SYR)

Free-Air Carbon Dioxide Enrichment (SRCCL; WGII)

Finite Amplitude Impulse Response model (SR1.5)

Finite Amplitude Impulse Response simple climate model (SYR; WGI)

Findable, Accessible, Interoperable and Reusable principles (WGI)

Finite Amplitude Impulse Response (WGIII)

Food and Agriculture Organization of the United Nations (SR1.5; SYR; WGIII)

United Nations Food and Agricultural Organisation (SRCCL)

Food and Agriculture Organization (WGII)

FAO Global Forest Resources Assessment (SRCCL)

Database Collection of the Food and Agriculture Organization of the United Nations (SR1.5)

FAO Database (SRCCL)

fraction of absorbed photosynthetically active radiation (WGI)

Frequently Asked Questions (SR1.5; SRCCL; WGII)

frequently asked question (WGIII)

IPCC First Assessment Report (WGI)

Financing for Adaptation and Resilience / Fraction of Attributable Risks (WGII)

Future Agricultural Resources Model (SR1.5)

Food-Borne Disease (WGII)

food-based dietary guidelines (WGIII)

UK Foreign, Commonwealth and Development Office (WGIII)

fuel cell vehicle (WGIII)

frost days (WGI)

Foreign Direct Investment (WGIII)

Iron (SR1.5; SRCCL)

Final Energy (SR1.5)

Federation of the Urban and Rural Poor (WGII)

Federal Emergency Management Agency (USA) (SR1.5)

Federal Emergency Management Agency (WGII)

Finite Element Sea ice/Ice Shelf Ocean Model (WGI)

Food–Energy–Water (WGII)

Fossil Fuel (SR1.5; SRCCL)

Fossil-Fuel combustion and Industrial processes (SR1.5)

Forest Fire Danger Index (WGI; WGII)

Fossil-Fuel combustion and Industrial processes (SYR)

fossil fuel and industry (WGIII)

Flexible Global Ocean-Atmosphere-Land System model (SR1.5)

Faster Innovation Case (WGIII)

Food Insecurity Experience Scale (SRCCL)

First Institute of Oceanography (SR1.5)

Fisheries and Marine Ecosystem Model Intercomparison Project (WGII)

Fisheries and Marine Ecosystems Impact Model Intercomparison Project (SROCC)

feed-in tariff (WGIII)

feed-in premium (WGIII)

Forest Law Enforcement, Governance and Trade (WGIII)

Food Loss and Waste (WGII; WGIII)

Farmer Managed Natural Regeneration (SR1.5)

Forest Management Unit (WGII)

fraction of Non-Renewable Biomass (SRCCL)

forestry and other land use (WGI)

Free Prior and Informed Consent (WGII)

France (WGII)

Forest Rights Act (India) (SRCCL)

fair, reasonable and non-discriminatory (WGIII)

Forest Stewardship Council (SRCCL; WGII)

Forest Sustainability Council (WGIII)

fixed-sea surface temperature (WGI)

Fischer-Tropsch (WGIII)

free trade agreement (WGIII)

Climate Framework for Uncertainty, Negotiation, and Distribution model (SR1.5)

Former Union of Soviet Socialist Republics (SR1.5)

Fire Weather (WGII)

Food Waste and Loss (SRCCL)

Freshwater Lens (WGII)

fine woody material (WGIII)

North Macedonia (WGII)

Grams (SR1.5)

Group of Twenty (WGII)

Global Alliance of Continuous Plankton Recorder Surveys (SROCC)

Global Adaptation Mapping Initiative (WGII)

General Algebraic Modeling System (SR1.5)

Global Mean Surface Air Temperature (WGII)

General Agreement on Trade in Services (WGIII)

General Agreement on Tariffs and Trade (SRCCL; WGIII)

Ground-Based Albedo Modification (SR1.5; WGII)

ground-based albedo modifications (WGIII)

Green Building Council of Australia (WGII)

Global Bioenergy Partnership (SRCCL)

Great Britain Pound (WGII)

Great Barrier Reef (WGII)

Great Barrier Reef Marine Park Authority (WGII)

Global Change Assessment Model (SR1.5; WGIII)

Gulf Cooperative Council (SR1.5)

Global Cement and Concrete Association (WGIII)

Global Commission on the Economy and Climate (SR1.5)

Green Climate Fund (SRCCL; WGII; WGIII)

General Circulation Model or Global Climate Model (SR1.5; WGI)

Global Climate Model or General Circulation Model (SRCCL)

General Circulation Model/Global Climate Model (SROCC)

General Circulation Model / Global Climate Model (WGII)

Global Covenant of Mayors (WGIII)

Global Climate Observing System (WGI)

Global Carbon Project (SR1.5; SRCCL; WGI; WGIII)

Growing Degree Days (WGI; WGII)

Groundwater-Dependent Ecosystem (WGII)

Global Drought Early Warning System (SRCCL)

Gross Domestic Product (SR1.5; SRCCL; SROCC; SYR; WGII; WGI; WGIII)

General Equilibrium (SR1.5)

Government Effectiveness or General Equilibrium (SRCCL)

Global Energy Assessment (SR1.5; WGIII)

Global Environmental Facility (SRCCL)

Global Environment Facility (WGII; WGIII)

General Equilibrium Model for Economy - Energy - Environment (SR1.5)

Global Energy System Model (SR1.5)

Geoengineering Model Intercomparison Project (WGI)

Global e-Sustainability Initiative (SR1.5)

Global Forest Biodiversity Initiative (WGIII)

Global Framework for Climate Action (WGIII)

Gross Fixed Capital Formation (SR1.5)

Gross-fixed capital formation (WGIII)

Global Framework for Climate Services (SRCCL; WGI)

Geophysical Fluid Dynamic Laboratory (SR1.5)

NOAA Geophysical Fluid Dynamics Laboratory (WGI)

Global Fire Emissions Database (SRCCL; WGIII)

Conversion of Cropland to Forests and Grasslands Program (Grain for Green Programme) (SRCCL)

Grid Flexibility Resources (SR1.5)

Global Gridded Crop Models (SRCCL)

Greenhouse Gas Removal (SROCC)

Gigahectares (SR1.5; SRCCL)

Greater Horn of Africa (WGII)

Global Historical Climatology Network (SRCCL)

NOAA Global Historical Climatology Network (WGI)

NOAA Global Historical Climatology Network daily database (WGI)

Global Historical Climatology Network – Daily climate Extremes (SR1.5)

NOAA Global Historical Climatology Network monthly database version 4 (WGI)

Greenhouse Gas (SRCCL; SROCC; SYR; WGII; WGI; WGIII)

Greenhouse Gas Emissions (SRCCL)

Greenhouse Gas Inventory (SRCCL)

Greenhouse Gases (SR1.5)

Global Hydrological Models (SR1.5)

Global Hydrological Model (WGI; WGII)

Gastrointestinal (WGII)

Glacio-Isostatic Adjustment (SROCC)

glacial isostatic adjustment (WGI)

Globally Important Agricultural Heritage Site (SRCCL)

Greenland/Iceland (WGI)

FAO Global Information and Early Warning System (SRCCL)

Global Inventory Modelling and Mapping Studies (SRCCL)

Greenland Ice Sheet (SR1.5; SROCC)

Geographic Information System (WGII)

geographic information system / global innovation system (WGIII)

Goddard Institute for Space Studies (SR1.5)

NASA Goddard Institute for Space Studies (WGI)

Goddard Institute for Space Studies Surface Temperature Analysis (SR1.5)

Goddard's Global Surface Temperature Analysis (SRCCL)

NASA Goddard Institute for Space Studies Surface Temperature Analysis (WGI)

German Society for International Cooperation (SRCCL)

the German Development Agency (Deutsche Gesellschaft für Internationale Zusammenarbeit) (WGIII)

Gigajoules (SR1.5; SRCCL)

gigajoule (WGIII)

Glacier Model Intercomparison Project (WGI)

Global Assessment of Human-Induced Soil Degradation (SRCCL)

Global Land Atmosphere System Study (SRCCL)

Global Land Data Assimilation System (WGI)

Global Livestock Environmental Assessment Model (SR1.5)

Global Lakes Ecological Observatory Network (WGII)

Global Hydrological Model (SR1.5)

GLObal BIOsphere Management model (SR1.5; SRCCL)

Glacial Lake Outburst Floods (SRCCL)

Glacial Lake Outburst Flood (SROCC; WGII)

Glacial Lake Outburst Floods (SR1.5)

Global Glacier Evolution Model (WGI)

Global Model of Aerosol Processes (SRCCL)

Genetically Modified (SR1.5; SRCCL)

Global monsoon (WGI)

Genetically Modified / Global Monsoon (WGII)

Global Methane Fund (WGIII)

Global Methane Initiative (WGIII)

Global Monsoons Model Intercomparison Project (WGI)

Genetically Modified Organism (SR1.5; SRCCL)

global multi-region input-output (WGIII)

Global Mean Sea Level (SR1.5; SRCCL; SROCC; WGII; WGI)

Global Mean Sea Level Rise (WGII)

Global Mean Surface Temperature (SR1.5; SRCCL; SROCC; WGII; WGI)

Global Mean Temperature (SR1.5; SRCCL; WGII)

global mean thermosteric sea level (WGI)

Global Network of Civil Society Organisations for Disaster Reduction (WGII)

Gross National Happiness (WGII)

Gross National Happiness Index (SR1.5)

gross national income (WGIII)

Global Nutrition Report (SRCCL)

Global Navigation Satellite System (WGI)

Global Ocean Acidification Observing Network (WGII)

Global Ozone Monitoring Experiment (WGI)

Greenhouse Gases Observing Satellite (WGI)

Global Precipitation Climatology Centre (WGI; WGII)

Global Precipitation Climatology Project (WGI)

Generalised Pareto Distribution (SROCC)

Good Practice Guidance (SROCC; WGII)

Global Precipitation Mission (WGI)

Gross Primary Productivity (SR1.5)

Gross Primary Productivity/Gross Primary Production (SRCCL)

Gross Primary Production (SROCC; WGII)

Green Public Procurement (WGIII)

Global Positioning System (SROCC; WGI)

General Purpose Technologies (SR1.5)

general-purpose technologies (WGIII)

Good Quality of Life (WGII)

Gravity Recovery and Climate Experiment (SROCC; WGI; WGII)

Global Relationship Assessment to Protect the Environment model (SR1.5)

Gravity, Rotation, and Deformation (SROCC)

gravitational, rotational and deformational (WGI)

Global Runoff Data Centre (WGII)

Greenland Ice Sheet (WGI)

Global mean Surface Air Temperature (SR1.5)

Global Surface Air Temperature (WGI; WGII; WGIII)

Global Satellite Mapping of Precipitation dataset (WGI)

Gross State Product (SROCC)

Gigatonne (SR1.5; WGIII)

Gigatonnes (SYR)

gigatonnes of carbon (WGI)

gigatonnes of carbon dioxide (WGI)

gigatonnes of CO2 equivalent (WGIII)

global transport energy sectoral models (WGIII)

Global Temperature-change Potential (SR1.5)

global temperature change potential (WGI; WGIII)

Gigawatt (SYR; WGII)

Government of Western Australia (SR1.5)

Global Warming Level (SYR; WGII; WGI)

Global Warming Potential or Gross World Product (SR1.5)

Global Warming Potential (SRCCL; SROCC; WGII; WGI; WGIII)

Global Warming Potential over a 100 year time horizon (SYR)

100-year global warming potential (WGIII)

Geographically Weighted Regression (WGII)

Greater Wellington Regional Council (WGII)

Groundwater-Source Heat Pumps (WGII)

Global Water Security Index (WGII)

Hazard (WGII)

Hydrogen-based direct reduced iron (WGIII)

Hydrogen (SR1.5; SRCCL)

Hectares (SR1.5; SRCCL)

Harmful Algal Blooms (SROCC)

Harmful Algal Bloom (WGII)

Hadley Centre Coupled Model (SR1.5)

Hadley Centre Coupled Model, version 3 (SRCCL)

Hadley Center Coupled Model (WGII)

Hadley Centre Climatic Research Unit Gridded Surface Temperature Data Set (SR1.5)

Hadley Centre Climatic Research Unit gridded surface temperature dataset (WGI)

Hadley Centre Global Climate Extremes index (SR1.5)

Hadley Centre gridded land surface extremes indices (WGI)

Hadley Centre Global Environmental Model (SR1.5)

Hadley Centre Global Environment Model (WGI)

Hadley Centre Ice and Sea Surface Temperature dataset (WGI)

Hadley Centre Regional Model (SR1.5)

Hadley Centre Sea Surface Temperature dataset (WGI)

Human Appropriation of Net Primary Production (SRCCL)

Heat Action Plan (WGII)

household air pollution (WGIII)

Half a degree Additional warming, Prognosis and Projected Impacts (SR1.5)

Half a degree Additional warming, Projections, Prognosis and Impacts (SRCCL)

Hadley circulation (WGI)

historical cumulative emission (WGIII)

hydrochlorofluorocarbon (WGI)

hydrochlorofluorocarbons (WGIII)

High Carbon Stock (WGIII)

High Carbon Stock Areas (WGII)

High Conservation Value Areas (WGII)

heating degree days (WGI)

Heat Degree Days (WGII)

Human Development Index (SRCCL; WGII; WGIII)

Health and Disability System Review (WGII)

Heavy-Duty Vehicle (SR1.5)

Heavy-duty vehicles (WGIII)

Healthcare Environment Inspectorate (SRCCL)

High Level Experts and Leaders Panel (WGII)

home energy management system (WGIII)

Hybrid energy storage (WGIII)

Hybrid Electric Vehicle (SR1.5; WGIII)

Hydrofluorocarbons (SROCC)

Hydrofluorocarbon (WGI; WGIII; WGII)

Hydrofluorocarbons (SR1.5; SYR)

hydrogen fuel cell vehicle (WGIII)

Haemorrhagic Fever with Renal Syndrome (WGII)

High Hydrostatic Pressure (SRCCL)

heat index (WGI)

High Resolution Model Intercomparison Project (WGI)

Historical Index of Human Development (WGIII)

Human Immunodeficiency Virus (WGII)

Hindu-Kush Himalayan (SRCCL)

Hindu Kush Himalaya (WGI; WGII)

High-Level Commission on Carbon Prices (SR1.5)

High Latitude Dust (WGII)

High Level Panel of Experts on Food Security and Nutrition (SR1.5)

High Level Panel of Experts (SRCCL)

High-Level Political Forum (WGIII)

Houghton and Nassikas (WGIII)

nitric acid (WGI)

Herbaceous Net Primary Productivity (WGII)

High Level Panel of Experts (WGII)

Human Rights-Based Approach (WGII)

Historical Simulation (SROCC)

high-speed rail (WGIII)

Hurricane Sandy Rebuilding Task Force (SR1.5)

Holocene Thermal Maximum (SR1.5)

Heating, Ventilation and Air Conditioning (WGII; WGIII)

hydrotreated vegetable oil (WGIII)

History Database of the Global Environment (SRCCL; WGIII)

HYdrological MODel (SR1.5)

International Atomic Energy Agency (SR1.5; SROCC)

International Air Transport Association (WGIII)

In-service Aircraft for a Global Observing System (WGI)

Integrated Assessment Model (SRCCL; WGII; WGI; WGIII)

Integrated Assessment Modelling Consortium (SR1.5)

Integrated Assessment Models (SR1.5)

Invasive Alien Species (WGII)

International Bar Association (SR1.5)

Index-Based Agricultural Insurance (WGII)

income-based emission accounting (WGIII)

International Biochar Initiative (SR1.5)

Insurance Council of Australia (WGII)

Integrated Climate and Air Quality Modeling System (SR1.5)

International Civil Aviation Organization (WGIII)

International Center for Agriculture Research in the Dry Areas (SRCCL)

Inuit Circumpolar Council (SROCC)

International Conference on Climate Change (SRCCL)

International Council on Clean Transportation (WGIII)

initial condition ensemble (WGI)

internal combustion engine (WGIII)

International Centre for Environmental Management (SR1.5)

Ice, Cloud and land Elevation Satellite (WGI)

internal combustion engine vehicles (WGIII)

international cooperative initiative (WGIII)

International Court of Justice (WGIII)

International Council for Local Environmental Initiatives (SR1.5)

Local Governments for Sustainability (WGII)

Integrated Coastal Management (SROCC; WGII)

Insurance Council of New Zealand (WGII)

International Comprehensive Ocean–Atmosphere Data Set (WGI)

Integrated Carbon Observation System (SRCCL)

IGAD Climate Prediction and Applications Centre (SRCCL)

International Commission for the Protection of the Danube River (SR1.5)

International Coral Reef Initiative (WGII)

International Council for Science (SR1.5; SRCCL)

Information and Communication Technology (SR1.5; SRCCL; WGIII)

Information and Communications Technology (WGII)

International Centre for Theoretical Physics (SRCCL)

Instituto Centro de Vida (WGII)

Integrated Coastal Zone Management (SROCC; WGII)

Insufficient Data (WGII)

Institute for Sustainable Development and International Relations (WGIII)

International Diabetes Foundation (WGII)

Internal Displacement Monitoring Centre (WGII)

Internally Displaced People (WGII)

International Energy Agency (SR1.5; SRCCL; SYR; WGII; WGIII)

International Energy Agency Stated Policies Scenario (SYR)

IEA Greenhouse Gas R&D Programme (SR1.5)

International Fund for Agricultural Development (SR1.5; SRCCL)

International Finance Corporation (WGIII)

Institut de la Francophonie pour le Développement Durable (Francophonie Institute for Sustainable Development) (WGIII)

international financial institution (WGIII)

International Food Policy Research Institute (SR1.5; SRCCL; WGII)

Intergovernmental Authority on Development (SRCCL)

Integrated Gasification Combined Cycle (SR1.5)

Investor Group on Climate Change (WGII)

International Green Construction Code (WGIII)

Institute for Health Metrics and Evaluation (SRCCL; WGII)

International Institute for Applied Systems Analysis (SR1.5; WGIII)

International Institute for Environment and Development (WGII)

Institute of International Finance (SR1.5)

Institutional Investors Group on Climate Change (WGIII)

industrial internet of things (WGIII)

International Institute for Sustainable Development (WGII)

Indigenous Knowledge (SRCCL; SROCC; WGII)

Indigenous Knowledge and Local Knowledge (WGII)

incandescent light bulb (WGIII)

Indigenous and Local Knowledge (SRCCL)

intrusive load monitoring (WGIII)

Indirect Land-Use Change (SR1.5; WGII)

indirect Land Use Change (SRCCL)

IMpact Assessment of CLIMate policies model – Nexus Land-Use model (SR1.5)

Integrated Model to Assess the Global Environment (SR1.5)

Integrated Model to Assess Global Environment (SRCCL)

Ice Sheet Mass Balance Intercomparison Exercise (WGI)

International Monetary Fund (SR1.5; WGII; WGIII)

International Maritime Organization (SR1.5; SROCC; WGIII)

Illustrative Mitigation Pathway (SYR; WGIII)

Illustrative Mitigation Pathway – Gradual Strengthening (WGIII)

Illustrative Mitigation Pathway - Low Demand (SYR)

Illustrative Mitigation Pathway – Low Demand (WGIII)

Illustrative Mitigation Pathway - NEGative emissions deployment (SYR)

Illustrative Mitigation Pathway – Net Negative Emissions (WGIII)

Illustrative Mitigation Pathway - Heavy reliance on RENewables (SYR)

Illustrative Mitigation Pathway – Renewable Electricity (WGIII)

Illustrative Mitigation Pathway - Shifting development Pathways (SYR)

Illustrative Mitigation Pathway – Shifting Pathways (WGIII)

Quantifying Projected Impacts under 2°C Warming (SR1.5)

Intended Nationally Determined Contribution (SRCCL)

Intended Nationally Determined Contributions (WGII; WGIII)

Intended Nationally Determined Contributions (SR1.5)

International Non-Governmental Organisation (SROCC)

Russian Institute for Numerical Mathematics (SR1.5)

ice nucleating particle (WGI)

Instituto Nacional de Pesquisas Espaciais (National Institute for Space Research) (SRCCL)

Indian Ocean Basin (WGI)

Intergovernmental Oceanographic Commission of the United Nations Educational, Scientific and Cultural Organization (SROCC)

Indian Ocean Dipole (SRCCL; SROCC; WGI; WGII)

International Organization for Migration (SR1.5)

Internet of Things (SR1.5; WGII; WGIII)

Illustrative Pathway (WGIII)

Illustrative Pathway Moderate Action (SYR)

Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (SRCCL; WGI; WGIII)

Intergovernmental Platform on Biodiversity and Ecosystem Services assessments (SROCC)

Intergovernmental Science Policy Platform on Biodiversity and Ecosystem Services (WGII)

Intergovernmental Panel on Climate Change (SR1.5; SRCCL; SYR; WGI; WGII; WGIII)

Indigenous Peoples and Local Communities (WGII)

Inter-Decadal Pacific Oscillation (SRCCL; WGI; WGII)

Interdecadal Pacific Oscillation (SROCC)

independent power producers (WGIII)

Industrial processes and product use (WGIII)

intellectual property rights (WGIII)

Institute Pierre Simon Laplace (SR1.5)

Institut Pierre-Simon Laplace (WGI)

Interquartile Range (SRCCL; WGII)

Inuvialuit Regional Corporation (SROCC)

Integrated Rural Development (SRCCL)

International Renewable Energy Agency (SR1.5; WGIII)

instantaneous radiative forcing (WGI)

Instantaneous radiative forcing (or effect) due to aerosol-cloud interactions (WGI)

Instantaneous radiative forcing (or effect) due to aerosol–radiation interactions (WGI)

International Risk Governance Council (WGII)

UN International Resource Panel (WGIII)

Ice Sheet (WGII)

investor–state dispute settlement (WGIII)

ISEAL Alliance (International Social and Environmental Accreditation and Labelling Alliance) (SRCCL)

Inter-Sectoral Impact Model Intercomparison Project (SR1.5; WGI)

Inter-Sectoral Impacts Model Intercomparison Project (WGII)

International Society for Mangrove Ecosystems (WGII)

International Standards Organisation (SR1.5)

International Organization for Standardization (SRCCL; WGII)

Inuvialuit Settlement Region (SROCC)

International Social Science Council (SR1.5)

Italy (WGII)

Intertropical Convergence Zone (SROCC)

Inter-tropical Convergence Zone (WGI)

International Transport Forum (SR1.5; WGIII)

Indonesia Throughflow (SROCC)

Indonesian throughflow (WGI)

internationally transferred mitigation outcome (WGIII)

Intergovernmental Technical Panel on Soils (SRCCL)

International Tree Ring Data Bank (SRCCL)

International Trade Union Confederation (WGIII)

International Union for Conservation of Nature (SR1.5; SRCCL)

International Union for the Conservation of Nature (WGII)

Integrated Urban Water Management (WGII)

Integrated Vulnerability Assessments (WGII)

Inland Waterways Authority of India (SRCCL)

Interagency Working Group on Social Cost of Greenhouse Gases (SR1.5)

International Work Group for Indigenous Affairs (WGII)

Integrated Watershed Management (SRCCL)

Integrated Water Resources Management (SR1.5)

Integrated Water Resource Management (SROCC; WGII)

July–August–September (WGI)

Japan Aerospace Exploration Agency (WGI)

Jena Diversity-Dynamic Global Vegetation Model (SR1.5)

Japanese International Cooperation Agency (WGIII)

June, July, August (SR1.5; SROCC)

June-July-August (SRCCL)

June–July–August (WGI)

June–July–August–September (WGI)

Japan Meteorological Agency (SR1.5; WGI)

Japanese 55-year Reanalysis (SR1.5; WGI)

European Commission – Joint Research Centre (SR1.5)

Joint Research Centre (WGII)

GECO Joint Research Centre – Global Energy and Climate Outlook (WGIII)

Joint United Kingdom Land Environment Simulator (SR1.5)

Potassium (SRCCL)

Mountain Delineations (WGII)

Kilocalories per capita per day (SR1.5)

Kilometres (SR1.5; SRCCL)

Koninklijk Nederlands Meteorologisch Instituut (Royal Netherlands Meteorological Institute) (SR1.5)

Knowledge Partnership on Migration and Development (WGII)

Key Risk (WGII)