All articles starting with G
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Green-e
Green-e is a voluntary certification program administered by the non-profit Center for Resource Solutions, launched in 1997 as the first independent certification program for renewable electricity in North America.
Green-laser welding of copper
Green-laser welding of copper joins copper with visible green laser light around 515 nm, which copper absorbs far better than infrared, enabling stable, spatter-free welding.
Green-solvent processing of perovskite solar cells
Green-solvent processing of perovskite solar cells is the fabrication of these devices using low-toxicity solvents such as ethanol and GVL instead of hazardous DMF and NMP.
Green-sprout money
Green-sprout money (青苗钱) was a Tang money tax levied on each mu of planted land and collected before the autumn harvest, decreed under Emperor Daizong in the 760s to pay officials' salaries.
Green-Wood Cemetery
Green-Wood Cemetery is a 478-acre rural cemetery in Brooklyn, New York, founded in 1838, a National Historic Landmark since 2006 with over 570,000 interments and a new Green-House visitor center opened in 2026.
Green–Tao theorem
The Green–Tao theorem is a result in number theory proved by Ben Green and Terence Tao in 2004, stating that the prime numbers contain arbitrarily long arithmetic progressions.
Green, Green Grass of Home
Green, Green Grass of Home is a country ballad by Curly Putman (1965) about a condemned prisoner dreaming of home. First recorded by Johnny Darrell, a #4 hit for Porter Wagoner, and a seven-week UK Christmas Number 1 for Tom Jones in 1966.
Green's function
Green's function is the response of a linear differential equation with its boundary conditions to a point source, named for George Green, who introduced it in 1828.
Green's identities
Green's identities, also known as Green's formulas, are two integral formulas relating smooth functions inside a region to their values and normal derivatives on the boundary.
Green's relations
Green's relations are five equivalence relations defined on a semigroup from its principal ideals, introduced by J. A. Green in 1951 and central to semigroup theory.
Green's theorem
Green's theorem relates a line integral around a closed plane curve to a double integral over the region it encloses, generalizing the Fundamental Theorem of Calculus.
Green500
The Green500 is a biannual ranking of the world's most energy-efficient supercomputers by FLOPS per watt, published alongside the TOP500 and founded in 2006 at Virginia Tech.
Greenall Whitley Gold Cup
The Greenall Whitley Gold Cup was a handicap steeplechase run at Haydock Park in Merseyside, England, during the 1990s, named for the Greenall Whitley brewery.
Greenaway (Venusian crater)
Greenaway is a 93-kilometer-wide peak-ring impact crater on Venus in its northern equatorial region, named by the IAU in 1991 for illustrator Kate Greenaway.
Greenberg (film)
Greenberg (2010) is a Noah Baumbach comedy-drama starring Ben Stiller as a fortyish ex-musician housesitting in Los Angeles, with Greta Gerwig, Rhys Ifans, and Jennifer Jason Leigh; Focus Features, 107 minutes, James Murphy score.
Greenberg dysplasia
Greenberg dysplasia (HEM skeletal dysplasia, OMIM 215140) is a very rare, prenatally lethal autosomal recessive skeletal dysplasia caused by biallelic LBR variants, with fetal hydrops, moth-eaten bones, and ectopic calcification.
Greenberger–Horne–Zeilinger state
The Greenberger–Horne–Zeilinger state (GHZ state) is a maximally entangled quantum state of three or more qubits whose perfect correlations conflict with local realism, shown in 1989.
Greenbriar Equity
Greenbriar Equity Group is a private equity firm founded in 1999 that invests in transportation, logistics, business services, and aerospace manufacturing, managing $8 billion and closing its largest fund at $5.4 billion in 2026.
Greenbushes Mine
The Greenbushes Mine is a mine in south-west Western Australia that has produced tin, tantalum, and lithium since 1888 and is now a major lithium source.
GreenCell Mobility
GreenCell Mobility is a Mumbai-based electric bus operator founded in 2019 and sponsored by Eversource Capital, serving Indian government transport authorities and running intercity NueGo coaches.
Greencore
Greencore is an Irish convenience food manufacturer and the world's largest fresh pre-packed sandwich maker. It supplies major retailers with sandwiches, salads, and chilled ready meals.
Greene & Greene
Greene & Greene was the Pasadena architectural partnership of brothers Charles and Henry Greene, leading builders of the American Craftsman style, known for the 1908 Gamble House.
Greene County Steam Plant
The Greene County Steam Plant, also called Plant Greene County, is an Alabama Power generating station near Demopolis, Alabama, on the Black Warrior River, opened in 1965.
Greene County, Missouri, United States
Greene County, Missouri, a county organized January 2, 1833, from Crawford and Wayne counties and named for General Nathanael Greene. County seat Springfield; fourth most populous Missouri county, about 309,286 residents (2025 estimate).
Greene County, Ohio, United States
Greene County, Ohio, is a western Ohio county formed in 1803 and named for Revolutionary War general Nathaniel Greene, with Xenia as its county seat.
Greenergy
Greenergy is a British fuel supply and renewable fuels company founded in 1992, supplying over 15 billion liters of fuel annually across the UK, Ireland, Canada, and France.
Greenfield Energy Centre
Greenfield Energy Centre is a 1,005 MW natural gas-fired combined cycle power plant in Courtright, Ontario, near Sarnia, built by Calpine and Mitsui for $600 million and one of Canada's largest gas-fired stations.
Greenfield International Stadium
Greenfield International Stadium (The Sports Hub, Karyavattom) is a 55,000-seat multi-purpose cricket and football stadium in Thiruvananthapuram, Kerala, opened in 2015 for the 35th National Games and India's 50th international cricket venue in 2017.
Greenfield Park, Quebec
Greenfield Park is a borough of Longueuil, Quebec, on Montreal's South Shore, formerly an independent city chartered March 24, 1911. Population 17,197 (2021); one of only three Quebec boroughs with bilingual status.
Greenfield project
A greenfield project is a new software or infrastructure initiative built from scratch without legacy constraints or technical debt, unlike a brownfield project, and often drifts into one over time.