GL, Gl, or gl may refer to:
Global warming, also referred to as climate change, is the observed century-scale rise in the average temperature of the Earth's climate system and its related effects.
Glasgow (; Scots: Glesga [ˈɡlezɡə]; Scottish Gaelic: Glaschu [ˈkl̪ˠas̪əxu]) is the largest city in Scotland, and third most populous settlement with city status in the United Kingdom.
The Glock pistol is a series of polymer-framed, short recoil-operated, locked-breech semi-automatic pistols designed and produced by Austrian Glock Ges.m.b.H..
Globalization or globalisation is the process of interaction and integration between people, companies, and governments worldwide.
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. The most common type is open-angle glaucoma with less common types including closed-angle glaucoma and normal-tension glaucoma.
Professional wrestling has accrued a considerable nomenclature throughout its existence. Much of it stems from the industry's origins in the days of carnivals and circuses.
This is a partial glossary of nautical terms; some remain current, while many date from the 17th to 19th centuries.