| Abbreviation | Definition |
|---|---|
| GES | Geological and Environmental Sciences |
| GES | Global Environmental Science |
| GES | Global Environmental Services |
| GESC | Genovesi Environmental Study Center |
| GESC | Global Environmental Studies Certificate |
| GESG | Gorlicka Ekologiczna Strefa Gospodarcza |
| GET | Global Energy Transition |
| GEWEX | Global Energy and Water Experiment |
| GF | Green Future |
| GFCC | Global Facility Carbon Calculator |
| GFSO | Global Forecast System Operational |
| GFW | Global Forest Watch |
| GG | Green Gas |
| GG | Greenhouse Gases |
| GGC | Greenhouse Gas Concentration |
| GGE | Geography Geology and Environmental |
| GGE | Greenhouse Gas Emissions |
| GGEC | Globally Green Energy Consortium |
| GGEI | Greenhouse Gas Emissions Index |
| GGGI | Global Green Growth Institute |