Abbreviations
- AAU
- Assigned amount unit
- AB32
- Assembly Bill 32 - California’s Global Warming Solutions Act
- ACES
- America Clean Energy and Security Act 2009
- ACG
- Asia Carbon Group
- ACR
- American Carbon Registry
- ACUPCC
- American College University Presidents' Climate Commitment
- ACX
- Australian Climate Exchange
- ACX
- Asia Carbon Exchange
- AEI
- Accredited independent entity
- AFOLU
- Agriculture, forestry and other land use
- ANSI
- American National Standards Institute
- AOSIS
- Alliance of Small Island States
- APP
- Asia Pacific Partnership on Clean Development and Climate
- A/R
- Afforestation and reforestation
- ARB
- California Air Resources Board
- AWMS
- Animal waste management system
- BACT
- Best available control technology
- BATEA
- Best available technology economically achievable
- BAU
- Business as usual
- BCAU
- British Columbia Allowance Unit
- BCERU
- British Columbia Emission Reduction Unit
- BEI
- Baseline emission intensity
- BLIERS
- Base level industrial emissions requirements
- BTU
- British thermal unit
- CAC
- Criteria air contaminant
- CACAM
- Negotiating coalition of countries of Central Asia and the Caucasus, Albania, and the Republic of Moldova.
- CAFE
- Corporate average fuel economy (US)
- CAIR
- US Clear Air Interstate Rule
- CAMR
- US Clean Air Mercury Rule
- CAR
- Climate Action Reserve (The Reserve)
- CARB
- California Air Resources Board
- CASA
- Clean Air Strategic Alliance (Alberta)
- CBD
- Convention on Biological Diversity
- CCA
- Climate Change Agreement (UK)
- CCAP
- Climate Change Agreement Participant
- CCAR
- California Climate Action Registry
- CCB
- Climate, Community & Biodiversity Standards
- CCBA
- Climate, Community & Biodiversity Alliance
- CCEMA
- Climate Change and Emissions Management Act (Alberta)
- CCEMF
- Climate Change and Emissions Management Fund (Alberta)
- CCL
- Climate Change Levy (UK)
- CCL2F2
- Dichlorodifluoromethane
- CCFE
- Chicago Climate Futures Exchange
- CCS
- Carbon capture and storage
- CCX
- Chicago Climate Exchange
- CDM
- Carbon Development Mechanism
- CDMEB
- CDM Executive Board
- CDP
- Carbon Disclosure Project
- CEA
- Credit for early action
- CEC
- California Energy Commission
- CEC
- Commission for Environmental Cooperation
- CEMS
- Continuous emissions monitoring System
- Ceqa
- California Environmental Quality Act
- CER
- Certified emission reduction
- CERSPA
- Certified emission reduction sale and purchase agreement
- CFC
- Chlorofluorocarbon
- CFI
- Carbon Financial Instrument (on CCX)
- CFR
- Code of Federal Regulations (US)
- CFS
- CarbonFix Standard
- CFTC
- Commodities Futures Trading Commission (US)
- CH4
- Methane
- CHCLF
- 2 Hydrofluorocarbons
- CHP
- Combined heat and power (generator)
- CITES
- Convention on the International Trade in Endangered Species
- CITL
- Community Independent Transaction Log
- CLI
- Climate Leadership Index
- CME
- Chicago Mercantile Exchange
- COATS
- CO2 Allowance Tracking System
- CO2
- Carbon dioxide
- CO2e
- Carbon dioxide equivalence
- COP
- Conference of the Parties
- COP/MOP
- Conference of the Parties/Meeting of the Parties
- CPRS
- Carbon Pollution Reduction Scheme (Australia)
- CPUC
- California Public Utilities Commission
- CRC
- Carbon Reduction Commitment
- CRF
- Common reporting format
- CRT
- Climate Reserve Ton
- CSAD
- Cap Setting and Allowance Distribution Committee
- DECC
- Department of Energy and Climate Change (UK)
- DEFRA
- Department of Environment, Food and Rural Affairs (UK)
- DNA
- Designated National Authority
- DOE
- Designated Operational Entity
- DSM
- Demand side management
- EC
- European Commission
- ECIS
- European Carbon Investor Services (see INCIS)
- ECX
- European Climate Exchange
- EE
- Energy efficiency
- EI
- Emissions intensity
- EIA
- Energy Information Administration (US)
- EIT
- Economies in Transition
- EITE
- Emission-intensive trade-exposed industry
- EPA
- Environmental Protection Agency (US)
- EPA CLP
- US EPA Climate Leaders Program
- EPC
- Emissions performance credit (Alberta)
- EPER
- The European Pollutant Emissions Register
- EPWC
- US Senate Environment & Public Works Committee
- ER
- Emission reduction
- ERA
- Early Reduction Allowance
- ERC
- Emission Reduction Credit
- ERPA
- Emission Reduction Purchase Agreement
- ERT
- Environmental Resources Trust
- ERU
- Emission Reduction Unit
- E-t-C
- Emission to cap
- ETS
- Emission Trading Scheme
- EUA
- European Union Allowance
- EU ETS
- EU Emission Trading Scheme
- FERC
- US Federal Energy Regulatory Commission
- FTC
- US Federal Trade Commission
- GCV
- Gross caloric value
- GEF
- Global Environment Facility
- GF
- Greenhouse Friendly
- GHG
- Greenhouse gas
- GGAS
- New South Wales Greenhouse Gas Abatement Scheme
- GROCC
- Global Roundtable on Climate Change
- GS
- Gold Standard
- Gt
- Giga tonnes
- GWP
- Global warming potential
- HCFC
- Hydrochlorofluorocarbons
- HFC
- Hydrofluorocarbon
- ICAP
- International Climate Action Partnership
- ICCP
- International Climate Change Partnership
- IETA
- International Emissions Trading Association
- IFC
- International Finance Corporation
- IFRS
- International Financial Reporting Standards
- IGCC
- Integrated gas combined cycle plant
- IIED
- International Institute for Environment and Development
- IIGCC
- Institutional Investors Group on Climate Change
- INCIS
- International Carbon Investor Services (formerly ECIS)
- INCR
- Investor Network on Climate Risk
- IPCC
- Intergovernmental Panel on Climate Change
- IPP
- Independent power producer
- ISDA
- International Swaps and Derivatives Association
- ISO
- International Organization for Standardization
- ITL
- International Transaction Log
- IUCN
- International Union for the Conservation of Nature
- JI
- Joint Implementation
- JISC
- Joint Implementation Steering Committee (UNFCCC)
- J-VETS
- Japanese Voluntary Emissions Trading Scheme
- KT
- Kilo tonne
- KWh
- Kilowatt hour
- LAER
- Lowest Achievable Emissions Rate (US)
- LCA
- Life cycle assessment
- lCER
- Long-term Certified Emission Reductions
- LCF
- SLow carbon fuel standards
- LDC
- Least developed country
- LEED
- Leadership in Energy and Environmental Design (see also USGBC)
- LEBA
- The London Energy Brokers’ Association
- LFE
- Large final emitters
- LNG
- Liquefied natural gas
- LPG
- Liquefied petroleum gas
- LUAC
- Large User Abatement Certificates (New South Wales)
- LULUCF
- Land use, land-use change and forestry
- MAC
- Marginal abatement cost
- MCE
- Montreal Climate Exchange
- MCX
- Multi-Commodity Exchange of India
- MDC
- United Nations Millennium Development Goals
- MGGA
- Midwestern Greenhouse Gas Accord
- MGGRA
- Midwestern Greenhouse Gas Reduction Accord
- MOCCC
- Market Oversight and Cost Containment Committee (of the MGGRA)
- MOP
- Meeting of the Parties
- MOU
- Memorandum of understanding
- MRET
- Mandatory Renewable Energy Target
- MRV
- Measurable, reportable and verifiable (emissions)
- Mt
- Mega tonne
- MT
- Metric tonne (also metric ton)
- MTCO2e
- Metric tonne carbon dioxide equivalent
- MW
- Megawatt
- MWh
- Megawatt hour
- N2O
- Nitrous oxide
- NAP
- National Allocation Plan
- NEI
- Net emissions intensity
- NEIL
- Net emission intensity limit
- NETS
- National Emission Trading Scheme (now CPRS of Australia)
- NGAC
- New South Wales Greenhouse Abatement Certificate
- NGCC
- Natural gas combined cycle
- NGO
- Non-governmental organization
- NOx
- Nitrous oxides
- NPRI
- National Pollutant Release Inventory (Canada)
- NRDC
- National Resources Defense Council
- NSR
- New Source Review
- NRTEE
- National Roundtable on the Environment and the Economy (Canada)
- NSW GGAS
- New South Wales Greenhouse Gas Abatement Scheme
- NZ ETS
- New Zealand Emission Trading Scheme
- ODA
- Official development assistance
- ODS
- Ozone depleting substance
- OE
- Operational entity
- OTC
- Over the counter
- PCT
- Pacific Carbon Trust
- PDD
- Project design document
- PES
- Payment for ecosystem services
- PFC
- Perfluorocarbon
- RBLC
- RACT/BACT/LAER Clearinghouse (US)
- RE
- Renewable energy
- REACH
- Registration, evaluation and authorization of chemicals
- REC
- Renewable Energy Certificate
- REC
- Renewable energy credit
- REDD
- Reducing emissions from deforestation and degradation
- RESLOVE
- Responsible Environmental Steps, Opportunities to Lead by Voluntary Efforts
- RGGI
- Regional Greenhouse Gas Initiative (US Northeastern states)
- RMU
- Removal Unit
- ROA
- Regional Administrative Organization (of the MGGRA)
- ROC
- Renewable energy certificate
- ROO
- Renewable Obligation Order 2002
- RPP
- Renewable power percentage
- RPS
- Renewable portfolio standard
- SBI
- Subsidiary Body for Implementation
- SBSTA
- Subsidiary Body for Scientific and Technological Advice
- SCERFA
- Standard CER Forward Agreement
- SF6
- Sulphur hexafluoride
- SGER
- Specified Gas Emitters Regulation (Alberta, Canada)
- SO2
- Sulphur dioxide
- SoC
- Statement of certification (Alberta)
- SoQ
- Statement of qualification (Alberta)
- SoV
- Statement of verification (Alberta)
- SOx
- Sulphur oxides
- SRI
- Socially responsible investment
- TAE
- Total annual emissions
- tCER
- Temporary Certified Emissions Reduction
- tCO23
- Tonne of carbon dioxide equivalent
- TCR
- The Climate Registry
- TDE
- Total direct emissions
- T-RCI
- Transportation, residential, commercial, institutional and small industrial
- TREC
- Tradable Renewable Energy Credit
- UCS
- Union of Concerned Scientists
- UK ETS
- UK Emission Trading Scheme (2002 – 2006)
- UNEP
- United Nation Environment Programme
- UNFCCC
- UN Framework Convention on Climate Change
- USCAP
- US Climate Action Partnership
- US EPA
- United States Environmental Protection Agency
- USGBC
- US Green Building Council
- VAP
- Voluntary Action Plan (Japan)
- VCS
- Voluntary Carbon Standard
- VCU
- Voluntary Carbon Unit
- VER
- Verified Emission Reduction
- VEER
- Verified Emission Reduction-Removal
- VOS
- Voluntary Offset Standard
- WBCSD
- World Business Council for Sustainable Development
- WCI
- Western Climate Initiative
- WRI
- World Resources Institute
- WRMA
- Weather Risk Management Association (US)
- WWF
- World Wildlife Fund