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.
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.
Globalization or globalisation is the trend of increasing interaction between people or companies on a worldwide scale due to advances in transportation and communication technology, nominally beginning with the steamship and the telegraph in the early to mid-1800s.
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..
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.
Glasgow (; Scots: Glesga /ˈɡlezɡə/; Scottish Gaelic: Glaschu [ˈkl̪ˠas̪əxu]) is the largest city in Scotland, and third most populous in the United Kingdom.
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.
The Glorious Revolution, also called the Revolution of 1688, was the overthrow of King James II of England (James VII of Scotland) by a union of English Parliamentarians with the Dutch stadtholder William III, Prince of Orange, who was James's nephew and son-in-law.