| GW | Global Warming | |
| IGLO | International action on GLObal warming | |
| GWP | Global Warming Potential | |
|
| AGW | Anthropogenic Global Warming | |
| AIT | An Inconvenient Truth (2006 documentary on global warming) | |
| AGW | Anti-Global Warming | |
| GWSA | Global Warming Solutions Act (various locations) | |
| CAGW | Catastrophic Anthropogenic Global Warming (climate change) | |
| HGWP | Halocarbon Global Warming Potential | |
| AGW | Accelerated Global Warming | |
| GWPF | Global Warming Policy Foundation (UK) | |
| PRG | Potentiel de Réchauffement Global (French: Global Warming Potential) | |
| EGW | Enhanced Global Warming | |
|
| CASES | Canadian Arctic Shelf Exchange Study (global warming) | |
| CTS | Carbon Trading Scheme (global warming) | |
| COGW | Church of Global Warming | |
| GCGW | Global Conference on Global Warming | |
| AGWP | Absolute Global Warming Potential | |
| FATI | Free Air Temperature Increase (global warming research) | |
| SGW | Stop Global Warming | |
| MMGW | Man-Made Global Warming | |
| GGWS | Great Global Warming Swindle (controversial documentary) | |
| GWIC | Global Warming International Center | |
| CACP | Clean Air-Cool Planet (global warming) | |
| GWP | Global Warming Party | |
| LPTM | Late Paleocene Thermal Maximum (global warming event) | |
| GWIM | Global Warming Impact Model | |
| GWH | Global Warming Hoax (website) | |
| GWAC | Global Warming Action Coalition | |
| GWG | Global-Warming Gases | |
| GWA | Global Warming Alarmist | |
| CCGW | Climate Change and Global Warming | |
| GWCI | Global Warming: Cool It (environmental booklet; Australia) | |
| DGW | Danger Global Warming | |
| GW8 | Global Warming 8 | |
| HCGW | Human Caused Global Warming | |
| GWPT | Global Warming Prevention Technologies, Inc. | |
| CGIP | Canadian Glacier Inventory Project (global warming research) | |
| GWRP | Global Warming Research Program (US EPA) | |
| LGWP | Low Global Warming Potential | |
| TGWS | Take Global Warming Seriously (UK) | |
| GWF | Global Warming Factor | |
| HIGW | Human-Induced Global Warming | |
| GWSC | Global Warming Shareholder Campaign | |
| GWAA | Global Warming Action Alliance (Maryland) | |
| CGI | Cool Globe Industries (global warming) | |
| CECB | Cymdeithas Yn Erbyn Cynhesu Byd-Eang (Welsh: Society Against Global Warming) | |
| MAGWAC | Middlebury Area Global Warming Action Coalition (Vermont) | |
| NAGWAG | Nailsworth Anti Global Warming Action Group (Nailsworth, England blog) | |
| NGWC | National Global Warming Coalition | |
| GWLA | Global Warming and the Language Arts | |