| Abbreviation | Definition |
|---|---|
| ECWCS | Extended Climate Warfigher Clothing System |
| ECWCS | Extended Climate Warfighter Clothing System |
| ECZ | Emerson Climate Zenith |
| EECC | Energy Environment and Climate Change |
| EECC | European Enterprises Climate Cup |
| EECG | Energy Environment and Climate Group |
| EF | Extraordinary Flood |
| EFCC | Environment, Forest and Climate Change |
| EICM | Enhanced Integrated Climate Model |
| ELWC | Energy Land Water Climate |
| ENDEV | Energising Development |
| ESCM | Earth System Climate Model |
| EVCC | Electric Vehicle Climate Credit |
| FACS | Faith Alliance for Climate Solutions |
| FCAC | Fairbanks Climate Action Coalition |
| FCCC | Framework Convention on Climate Change |
| FCCF | Forestry and Climate Change Fund |
| FCPF | Forest Climate Partnership Fund |
| FCS | Farmers for Climate Solutions |
| FFTC | Fast for the Climate |