| AFAD | Disaster and Emergency Management Authority |
| BAQAM | Regulation on Air Quality Assessment and Management |
| BAT | Best available techniques |
| BAU | Business as usual |
| CAAP | Clean Air Action Plan |
| CBA | Cost-benefit analysis |
| CBCCAM | Co-ordination Board on Climate Change and Air Management |
| COD | Chemical oxygen demand |
| DMC | Domestic material consumption |
| EBRD | European Bank for Reconstruction and Development |
| EECCA | Eastern Europe, Caucasus and Central Asia |
| EGS | Environmental goods and services |
| EIA | Environmental impact assessment |
| EIB | European Investment Bank |
| EMS | Environmental Management Systems |
| EPR | Environmental Performance Review |
| ERSAR | Regulatory Body for Water and Waste Services |
| ETS | Emissions trading system |
| EU | European Union |
| EUWI | European Union Water Initiative |
| FDI | Foreign direct investment |
| FTA | Free trade agreement |
| GDP | Gross domestic product |
| GDSHW | General Directorate of State Hydraulic Works |
| GDWM | General Directorate for Water Management |
| GERD | Gross expenditure on research and development |
| GHG | Greenhouse gas |
| GW | Gigawatt |
| ICZP | Integrated coastal zone plan |
| IDBT | Industrial Development Bank of Turkey |
| INDC | Intended Nationally Determined Contribution |
| IPA | Instrument for Pre-Accession |
| IPPC | Integrated pollution prevention and control |
| IUCN | International Union for Conservation of Nature |
| LULUCF | Land use, land-use change and forestry |
| MAF | Ministry of Agriculture and Forestry |
| MDB | Multilateral development bank |
| MENR | Ministry of Energy and Natural Resources |
| MEU | Ministry of Environment and Urbanization |
| MFWA | Ministry of Forestry and Water Affairs |
| MidSEFF | Mid-size Sustainable Energy Financing Facility |
| MRV | Monitoring, reporting and verification |
| MtCO2e | Million tonnes of carbon dioxide equivalent |
| Mtoe | Million tonnes of oil equivalent |
| MW | Megawatt |
| NASAP | National Adaptation Strategy and Action Plan |
| NBDSAP | National Biological Diversity Strategy and Action Plan |
| NCCAP | National Climate Change Action Plan |
| NCCS | National Climate Change Strategy |
| NDP | National Development Plan |
| NEEAP | National Energy Efficiency Action Plan |
| NGO | Non-governmental organisation |
| NMVOC | Non-methane volatile organic compound |
| NREAP | National Renewable Energy Action Plan |
| NSDC | National Sustainable Development Commission |
| O&M | Operation and maintenance |
| ODA | Official development assistance |
| PM | Particulate matter |
| PPP | Purchasing power parity |
| PRTR | Pollutant release and transfer register |
| R&D | Research and development |
| RBMP | River basin management plan |
| SDG | Sustainable Development Goal |
| SEA | Strategic environmental assessment |
| SKI | Water and Sewerage Administration |
| TARSIM | Agricultural Insurance System |
| TDP | Territorial development plans |
| TFC | Total final energy consumption |
| TOC | Temporary operation certificate |
| toe | Tonnes of oil equivalent |
| TPES | Total primary energy supply |
| TRY | Turkish lira |
| TSMS | Turkish State Meteorological Service |
| TSS | Total suspended solids |
| TWh | Terawatt-hour |
| UN | United Nations |
| UNFCCC | United Nations Framework Convention on Climate Change |
| USD | United States dollar |
| UWWTD | Urban Wastewater Treatment Directive |
| WMCB | Water Management Co-ordination Board |
| WSS | Water supply and sanitation |