| Abbreviation | Definition |
|---|---|
| GHGE | GreenHouse Gas Emissions |
| GIACC | Group on International Aviation and Climate Change |
| GLCC | Great Lakes Climate Corps |
| GOCB | Great Ocean Conveyor Belt (climate) |
| GSCU | Global Seasonal Climate Update |
| GWCC | Global Weather and Climate Center |
| HACE | Harvard Alumni for Climate and the Environment |
| HAIL | Hard And Iced Liquid |
| HCCC | Halla Climate Control Corporation |
| HCCC | Human Caused Climate Change |
| HCRI | Hazard and Climate Resilience Institute |
| HDCC | Human Dimensions of Climate Change |
| HECAP | Higher Education Climate Action Partnership |
| HERESHOWYOUCANPROTECTLEATHERFURNITUREINASELFSTORAG | IntroductionLeather furniture is one of the most expensive pieces of furniture in Singapore, and it |
| HICC | Human Induced Climate Change |
| HLCT | High Latitude Climate Transects |
| HRC | High Resilience Climate |
| HRCM | Hawaii Regional Climate Model |
| HRCM | High Resolution Climate Modelling |
| HSCW | Hockey Stick and the Climate Wars |