| Abbreviation | Definition |
|---|---|
| GFRA | Global Forest Resources Assessment |
| GFRM | Global Forest Resources Model |
| GFRS | Global Forest Rescue Station |
| GFS | Garrison Forest School |
| GFW | Global Forest Watch |
| GLFA | Great Lakes Forest Alliance |
| GMF | Great Mountain Forest |
| GNF | Gallatin National Forest |
| GNFP | Gila National Forest Plan |
| GOOF | Garden Oaks Oak Forest |
| GRFB | Grodno Region Forestry Board |
| GRFM | Global Rain Forest Mapping |
| GRTF | Gwangneung Royal Tomb Forest |
| GTFIH | Green Triangle Forest Industries Hub |
| GTFT | Green Triangle Forest Trust |
| HARC | Horticulture and Agroforestry Research Center |
| HBCC | Home Based Child Care |
| HCCA | Healthy Child Care Alabama |
| HCCC | Housatonic Child Care Center |
| HCCI | Healthy Child Care Iowa |