All articles starting with R
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Regional impacts of climate change
Regional impacts of climate change are the effects of global warming on particular regions, which differ sharply, with the Arctic warming fastest and low-lying coasts hit hardest.
Regional inequality
Regional inequality is economic inequality between the territories of a single country or group of countries, and it has risen in most OECD countries since 2000.
Regional integration
Regional integration is the process by which neighboring states reduce or remove economic barriers in stages, from free trade areas to common markets and shared currencies, pursued through regional trade agreements.
Regional Internet registry
A Regional Internet registry (RIR) is an organization that allocates IPv4 and IPv6 addresses and AS numbers within a world region; the five RIRs receive space from IANA.
Regional language
Regional language: a language spoken in part of a country by a population smaller than the national majority, also called a minority language. Defined by the 1992 European Charter; status ranges from none to co-official, as with Catalan, Basque, Galician, and Welsh.
Regional lockout
Regional lockout (region coding) is DRM restricting media or devices to a territory, used on DVDs, consoles, and streaming; largely dropped for current-gen game discs but retained for digital codes, DLC, and DVD/Blu-ray.
Regional metamorphism
Regional metamorphism is metamorphism affecting rocks over large areas of the crust, the most widespread type, occurring mainly where plates converge and mountain belts form.
Regional metrology organizations
Regional metrology organizations (RMOs) are regional associations of national metrology institutes defined within the CIPM Mutual Recognition Arrangement; six are recognized, including EURAMET, APMP, SIM, and COOMET.
Regional military governorship (dudu zhuzhou junshi)
The regional military governorship (都督諸州軍事) was a Cao Wei office commanding a region's armies, created by Emperor Wen of Wei in the early Three Kingdoms period.
Regional Municipality of Durham
The Regional Municipality of Durham (Municipalité régionale de Durham) is the upper-tier Ontario regional government east of Toronto, created January 1, 1974, governing eight area municipalities including Oshawa, Pickering, Ajax, and Whitby, with a 29-member council and about 697,000 residents.
Regional Municipality of Peel
Regional Municipality of Peel (Peel Region), upper-tier Ontario municipality since January 1, 1974, covering Mississauga, Brampton, and Caledon; serves 1.5 million people, and is undergoing phased dissolution and service transfers under the Hazel McCallion Act and Bills 45 and 60.
Regional Municipality of York
The Regional Municipality of York (Municipalité régionale de York) is an upper-tier Ontario municipality north of Toronto, formed January 1, 1971, covering nine cities and towns, 1.29 million residents, regional transit, water, policing and paramedic services.
Regional mushroom foraging traditions
Regional mushroom foraging traditions are place-bound cultures of wild mushroom picking, spanning Italian UNESCO-recognized truffle hunting, Slavic and Nordic household picking, and commercial matsutake chains.
Regional Ocean Modeling System
The Regional Ocean Modeling System (ROMS) is an open-source, three-dimensional ocean circulation model developed at Rutgers University and UCLA and used in NOAA coastal forecasts.
Regional odontodysplasia
Regional odontodysplasia (ROD, ghost teeth) is a rare non-hereditary dental anomaly with hypoplastic, hypomineralized enamel and dentin in one quadrant, usually maxillary, showing ghost-like radiographs, delayed eruption, and extraction-based multidisciplinary treatment.
Regional physics conferences of Latin America, Asia–Pacific and Africa
Regional physics conference series gathering physicists by world region include SILAFAE, the triennial Asia–Pacific Physics Conference, and the biennial African Conference on Fundamental Physics and Applications.
Regional power
Regional power: a state with superior military, economic, political, and ideological capabilities that leads a delimited region, per Nolte's definition; distinct from superpowers, great powers, and middle powers, with examples including Brazil, India, and Turkey.
Regional snail cuisines
Regional snail cuisines are the place-specific traditions of eating snails outside French escargot, spanning West African giant land snails, Moroccan babbouche, and Chinese river-snail noodles.
Regional sports network
Regional sports network (RSN): a local-market TV channel holding exclusive rights to a region's pro teams, funded by carriage fees and ads; pioneered by MSG in 1969, dominant through cable's peak, and collapsing after Diamond Sports Group's 2023 bankruptcy.
Regional theater in the United States
Regional theater in the United States: professional nonprofit resident theater outside Broadway, begun by Margo Jones and Nina Vance in 1947, symbolized by the 1963 Guthrie Theater, and organized today around LORT's 82 member theaters and TCG's Theatre Facts research.
Regional Transport Office
A Regional Transport Office (RTO) is a state-level government office in India, operating under the Motor Vehicles Act, 1988, that issues driving licenses, registers vehicles, and collects motor vehicle taxes.
Regionalism (politics)
Regionalism, also known as political regionalism, is the striving of a territorially distinct region for greater self-responsibility and self-government, often voiced through regional protest movements.
Regions Financial Corporation
Regions Financial Corporation, originally First Alabama Bancshares, is a Birmingham, Alabama bank holding company operating Regions Bank, with about $158.8 billion in assets and roughly 1,247 branches.
Regions of Chile
Regions of Chile (regiones): the 16 first-order administrative divisions, from Arica y Parinacota to Magallanes, created from 1974, each with an elected regional governor since 2021, subdivided into 56 provinces and 346 municipalities.
Regions of England
The nine regions of England, established 1994 as Government Office areas, are the highest sub-national division, now the ITL1 statistical tier alongside Scotland, Wales and Northern Ireland.
Regions of Europe
Regions of Europe: divisions of the continent by physical geography (four belts), UN geoscheme, EU NUTS statistical classification (92/244/1,165 regions in 2024), and historical-cultural regions such as Delanty's six-fold scheme.
Regions of Finland
Regions of Finland (maakunta/landskap): the country's 19 first-level divisions, 18 mainland regions with regional councils plus autonomous Åland; NUTS 3 areas replacing provinces abolished in 2009.
Regions of France
Regions of France (régions): 18 first-level territorial collectivities, 13 metropolitan and 5 overseas, created as collectivities by the 1982 decentralization law, reduced from 22 to 13 metropolitan regions in 2016.
Regions of Italy
Regions of Italy (regioni): the 20 first-level administrative divisions, 15 ordinary and 5 special-statute (Sicily, Sardinia, Trentino-Alto Adige, Aosta Valley, Friuli Venezia Giulia), created under the 1948 Constitution, operating fully from 1970, with Istat area and population data.
Regions of New Zealand
Regions of New Zealand: 16 first-order local government and statistical areas, 11 governed by regional councils and 5 by unitary authorities (Auckland, Gisborne, Marlborough, Nelson, Tasman). Created by the 1989 reform; now being replaced under the 2025-2028 Simplifying Local Government programme.