Portal:World
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The World Portal
The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique while others talk of a "plurality of worlds". Some treat the world as one simple object while others analyze the world as a complex made up of parts.
In scientific cosmology, the world or universe is commonly defined as "[t]he totality of all space and time; all that is, has been, and will be". Theories of modality talk of possible worlds as complete and consistent ways how things could have been. Phenomenology, starting from the horizon of co-given objects present in the periphery of every experience, defines the world as the biggest horizon or the "horizon of all horizons". In philosophy of mind, the world is contrasted with the mind as that which is represented by the mind. Theology conceptualizes the world in relation to God, for example, as God's creation, as identical to God or as the two being interdependent. In religions, there is a tendency to downgrade the material or sensory world in favor of a spiritual world to be sought through religious practice. A comprehensive representation of the world and our place in it, as is found in religions, is known as a worldview. Cosmogony is the field that studies the origin or creation of the world while eschatology refers to the science or doctrine of the last things or of the end of the world.
In various contexts, the term "world" takes a more restricted meaning associated, for example, with the Earth and all life on it, with humanity as a whole or with an international or intercontinental scope. In this sense, world history refers to the history of humanity as a whole and world politics is the discipline of political science studying issues that transcend nations and continents. Other examples include terms such as "world religion", "world language", "world government", "world war", "world population", "world economy", or "world championship". (Full article...)
Selected articles - show another
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Image 1
A number of polities have declared independence and sought diplomatic recognition from the international community as sovereign states, but have not been universally recognised as such. These entities often have de facto control of their territory. A number of such entities have existed in the past.
There are two traditional theories used to indicate how a sovereign state comes into being. The declarative theory (codified in the 1933 Montevideo Convention) defines a state as a person in international law if it meets the following criteria: (Full article...) -
Image 2Globalism has multiple meanings. In political science, it is used to describe "attempts to understand all the interconnections of the modern world—and to highlight patterns that underlie (and explain) them". While primarily associated with world-systems, it can be used to describe other global trends. The concept of globalism is also classically used to focus on the ideologies of globalization (the subjective meanings) instead of its processes (the objective practices); in this sense, "globalism" is to globalization what "nationalism" is to nationality.
The term is now frequently used as a pejorative by far-right movements and conspiracy theorists, as in the New World Order conspiracy theory; it is associated with antisemitism, as antisemites frequently appropriate the term globalist to refer to Jews. (Full article...) -
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The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. It was agreed on 16 September 1987, and entered into force on 1 January 1989. Since then, it has undergone nine revisions, in 1990 (London), 1991 (Nairobi), 1992 (Copenhagen), 1993 (Bangkok), 1995 (Vienna), 1997 (Montreal), 1998 (Australia), 1999 (Beijing) and 2016 (Kigali) As a result of the international agreement, the ozone hole in Antarctica is slowly recovering. Climate projections indicate that the ozone layer will return to 1980 levels between 2040 (across much of the world) and 2066 (over Antarctica). Due to its widespread adoption and implementation, it has been hailed as an example of successful international co-operation. Former UN Secretary-General Kofi Annan stated that "perhaps the single most successful international agreement to date has been the Montreal Protocol". In comparison, effective burden-sharing and solution proposals mitigating regional conflicts of interest have been among the success factors for the ozone depletion challenge, where global regulation based on the Kyoto Protocol has failed to do so. In this case of the ozone depletion challenge, there was global regulation already being installed before a scientific consensus was established. Also, overall public opinion was convinced of possible imminent risks.
The ozone treaty has been ratified by 198 parties (197 states and the European Union), making them the first universally ratified treaties in United Nations history. (Full article...) -
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The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. It allows documents and other web resources to be accessed over the Internet according to specific rules of the Hypertext Transfer Protocol (HTTP).
The Web was invented by English computer scientist Tim Berners-Lee while at CERN in 1989 and opened to the public in 1991. It was conceived as a "universal linked information system". Documents and other media content are made available to the network through web servers and can be accessed by programs such as web browsers. Servers and resources on the World Wide Web are identified and located through character strings called uniform resource locators (URLs). (Full article...) -
Image 5The international community is a term used in geopolitics and international relations to refer to a broad group of people and governments of the world. (Full article...)
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Image 6The Global Competitiveness Report (GCR) was a yearly report published by the World Economic Forum. Between 2004 and 2020, the Global Competitiveness Report ranked countries based on the Global Competitiveness Index, developed by Xavier Sala-i-Martin and Elsa V. Artadi. Before that, the macroeconomic ranks were based on Jeffrey Sachs's Growth Development Index and the microeconomic ranks were based on Michael Porter's Business Competitiveness Index. The Global Competitiveness Index integrates the macroeconomic and the micro/business aspects of competitiveness into a single index.
The report "assesses the ability of countries to provide high levels of prosperity to their citizens". This in turn depends on how productively a country uses available resources. Therefore, the Global Competitiveness Index measures the set of institutions, policies, and factors that set the sustainable current and medium-term levels of economic prosperity." (Full article...) -
Image 7The Snowball Earth is a geohistorical hypothesis that proposes during one or more of Earth's icehouse climates, the planet's surface became entirely or nearly entirely frozen with no liquid oceanic or surface water exposed to the atmosphere. The most academically referred period of such global glaciation is believed to have occurred sometime before 650 mya during the Cryogenian period.
Proponents of the hypothesis argue that it best explains sedimentary deposits that are generally believed to be of glacial origin at tropical palaeolatitudes and other enigmatic features in the geological record. Opponents of the hypothesis contest the geological evidence for global glaciation and the geophysical feasibility of an ice- or slush-covered ocean, and they emphasize the difficulty of escaping an all-frozen condition. Several unanswered questions remain, including whether Earth was a full snowball or a "slushball" with a thin equatorial band of open (or seasonally open) water. The snowball-Earth episodes are proposed to have occurred before the sudden radiation of multicellular bioforms known as the Cambrian explosion. The most recent snowball episode may have triggered the evolution of multicellularity. (Full article...)
General images - load new batch
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Image 2Last Moon landing: Apollo 17 (1972)
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Image 3Tiktaalik, a fish with limb-like fins and a predecessor of tetrapods. Reconstruction from fossils about 375 million years old. (from History of Earth)
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Image 4Fall of the Berlin Wall, 1989
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Image 6Shanghai. China urbanized rapidly in the 21st century.
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Image 7Artist's conception of Hadean Eon Earth, when it was much hotter and inhospitable to all forms of life. (from History of Earth)
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Image 8Earth's land use for human agriculture (from Earth)
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Image 9The replicator in virtually all known life is deoxyribonucleic acid. DNA is far more complex than the original replicator and its replication systems are highly elaborate. (from History of Earth)
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Image 10A Benin Bronze head from Nigeria
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Image 13An animation of the changing density of productive vegetation on land (low in brown; heavy in dark green) and phytoplankton at the ocean surface (low in purple; high in yellow) (from Earth)
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Image 14Notre-Dame de Paris, France
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Image 15Graph showing range of estimated partial pressure of atmospheric oxygen through geologic time (from History of Earth)
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Image 16Ajloun Castle, Jordan
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Image 21An artist's impression of the Archean, the eon after Earth's formation, featuring round stromatolites, which are early oxygen-producing forms of life from billions of years ago. After the Late Heavy Bombardment, Earth's crust had cooled, its water-rich barren surface is marked by continents and volcanoes, with the Moon still orbiting Earth half as far as it is today, appearing 2.8 times larger and producing strong tides. (from Earth)
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Image 22A 2012 artistic impression of the early Solar System's protoplanetary disk from which Earth and other Solar System bodies were formed (from Earth)
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Image 24Pangaea was a supercontinent that existed from about 300 to 180 Ma. The outlines of the modern continents and other landmasses are indicated on this map. (from History of Earth)
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Image 25Chloroplasts in the cells of a moss (from History of Earth)
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Image 26A computer-generated image mapping the prevalence of artificial satellites and space debris around Earth in geosynchronous and low Earth orbit (from Earth)
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Image 27Dinosaurs were the dominant terrestrial vertebrates throughout most of the Mesozoic (from History of Earth)
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Image 29Artist's impression of the enormous collision that probably formed the Moon (from History of Earth)
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Image 31Tracy Caldwell Dyson, a NASA astronaut, observing Earth from the Cupola module at the International Space Station on 11 September 2010 (from Earth)
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Image 32Pale orange dot, an artist's impression of Early Earth, featuring its tinted orange methane-rich early atmosphere (from Earth)
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Image 33A banded iron formation from the 3.15 Ga Moodies Group, Barberton Greenstone Belt, South Africa. Red layers represent the times when oxygen was available; gray layers were formed in anoxic circumstances. (from History of Earth)
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Image 34Great Mosque of Kairouan, Tunisia, founded 670 CE
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Image 37Obelisk of Axum, Ethiopia
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Image 38Yggdrasil, an attempt to reconstruct the Norse world tree which connects the heavens, the world, and the underworld. (from World)
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Image 39A view of Earth with its global ocean and cloud cover, which dominate Earth's surface and hydrosphere; at Earth's polar regions, its hydrosphere forms larger areas of ice cover. (from Earth)
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Image 41Standing Buddha from Gandhara, 2nd century CE
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Image 42A High Desert storm, sweeps across the Mojave (from Earth)
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Image 43Atomic bombing of Nagasaki, 1945
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Image 44Olmec colossal head, now at the Museo de Antropología de Xalapa
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Image 45Vitruvian Man by Leonardo da Vinci epitomizes the advances in art and science seen during the Renaissance. (from History of Earth)
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Image 48Astronaut Buzz Aldrin on the Moon, photographed by Neil Armstrong, 1969 (from History of Earth)
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Image 49Geologic map of North America, color-coded by age. From most recent to oldest, age is indicated by yellow, green, blue, and red. The reds and pinks indicate rock from the Archean.
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Image 50Artist's impression of Earth during the later Archean, the largely cooled planetary crust and water-rich barren surface, marked by volcanoes and continents, features already round microbialites. The Moon, still orbiting Earth much closer than today and still dominating Earth's sky, produced strong tides. (from History of Earth)
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Image 51Artist's rendition of an oxinated fully-frozen Snowball Earth with no remaining liquid surface water. (from History of Earth)
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Image 56The pale orange dot, an artist's impression of the early Earth which might have appeared orange through its hazy methane rich prebiotic second atmosphere. Earth's atmosphere at this stage was somewhat comparable to today's atmosphere of Titan. (from History of Earth)
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Image 57First airplane, the Wright Flyer, flew on 17 December 1903.
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Image 58A reconstruction of human history based on fossil data. (from History of Earth)
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Image 59"Lucy", the first Australopithecus afarensis skeleton found. Lucy was only 1.06 m (3 ft 6 in) tall.
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Image 61Earth's axial tilt causing different angles of seasonal illumination at different orbital positions around the Sun (from Earth)
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Image 63An artist's impression of ice age Earth at glacial maximum. (from History of Earth)
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Image 66Trilobites first appeared during the Cambrian period and were among the most widespread and diverse groups of Paleozoic organisms. (from History of Earth)
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Image 67Angkor Wat temple complex, Cambodia, early 12th century
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Image 68Change in average surface air temperature and drivers for that change. Human activity has caused increased temperatures, with natural forces adding some variability. (from Earth)
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Image 69Lithified stromatolites on the shores of Lake Thetis, Western Australia. Archean stromatolites are the first direct fossil traces of life on Earth. (from History of Earth)
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Image 70A reconstruction of Pannotia (550 Ma). (from History of Earth)
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Image 71Earth's western hemisphere showing topography relative to Earth's center instead of to mean sea level, as in common topographic maps (from Earth)
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Image 72A composite image of Earth, with its different types of surface discernible: Earth's surface dominating Ocean (blue), Africa with lush (green) to dry (brown) land and Earth's polar ice in the form of Antarctic sea ice (grey) covering the Antarctic or Southern Ocean and the Antarctic ice sheet (white) covering Antarctica. (from Earth)
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Image 73Great Pyramids of Giza, Egypt
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Image 74The Pantheon, originally a Roman temple, now a Catholic church
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Image 75A view of Earth with different layers of its atmosphere visible: the troposphere with its clouds casting shadows, a band of stratospheric blue sky at the horizon, and a line of green airglow of the lower thermosphere around an altitude of 100 km, at the edge of space (from Earth)
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Image 77A schematic view of Earth's magnetosphere with solar wind flowing from left to right (from Earth)
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Image 78Map of peopling of the world (Southern Dispersal paradigm), in thousands of years ago.
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Image 80A pillar at Göbekli Tepe
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Image 82Empires of the world in 1898
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Image 84Japanese depiction of a Portuguese carrack. European maritime innovations led to proto-globalization.
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Image 85Artist's impression of a Hadean landscape with the relatively newly formed Moon still looming closely over Earth and both bodies sustaining strong volcanism. (from History of Earth)
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Image 86A map of heat flow from Earth's interior to the surface of Earth's crust, mostly along the oceanic ridges (from Earth)
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Image 87Earth's night-side upper atmosphere appearing from the bottom as bands of afterglow illuminating the troposphere in orange with silhouettes of clouds, and the stratosphere in white and blue. Next the mesosphere (pink area) extends to the orange and faintly green line of the lowest airglow, at about one hundred kilometers at the edge of space and the lower edge of the thermosphere (invisible). Continuing with green and red bands of aurorae streching over several hundred kilometers. (from Earth)
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Image 88A 580 million year old fossil of Spriggina floundensi, an animal from the Ediacaran period. Such life forms could have been ancestors to the many new forms that originated in the Cambrian Explosion. (from History of Earth)
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Image 90Battle during 1281 Mongol invasion of Japan
Megacities of the world - show another
The Rhine-Ruhr metropolitan region (German: Metropolregion Rhein-Ruhr) is the largest metropolitan region in Germany, with over ten million inhabitants. A polycentric conurbation with several major urban concentrations, the region covers an area of 7,110 square kilometres (2,750 sq mi), entirely within the federal state of North Rhine-Westphalia. The Rhine-Ruhr metropolitan region spreads from the Ruhr area (Dortmund-Bochum-Essen-Duisburg) in the north to the urban areas of the cities of Mönchengladbach, Düsseldorf (the state capital), Wuppertal, Leverkusen, Cologne (the region's largest and Germany's fourth largest city), and Bonn in the south. The location of the Rhine-Ruhr at the heart of the European Blue Banana makes it well connected to other major European cities and metropolitan areas such as the Randstad, the Flemish Diamond and the Frankfurt Rhine Main Region.
The metropolitan area is named after the Rhine and Ruhr rivers, which are the region's defining geographical features and historically its economic backbone. (Full article...)Did you know - load new batch
- ... that according to its founders, Pink Peacock is the only "queer Yiddish anarchist vegan pay-what-you-can cafe" in the world?
- ... that Kuappi in Iisalmi, Finland, holds the Guinness world record for the smallest restaurant?
- ... that the most significant rock from New Caledonia is peridotite, which comes from the Earth's mantle?
- ... that there was an organism from which all current life on Earth is descended?
- ... that the title page of Promptuarium Iconum Insigniorum shows an eagle atop a globe flanked by serpents, which symbolizes worldly triumph?
- ... that Ishihara Park and Gandara Park in Santa Monica, California, are both named after local World War II veterans whose military contributions were overlooked during their lifetimes?
- ... that Drahşan Arda is the world's first female association football referee confirmed by FIFA?
- ... that an abandoned seminary collapsed during the 2008 Sichuan earthquake, upon its 100th year of completion?
Countries of the world - show another
Denmark (Danish: Danmark, pronounced [ˈtænmɑk] ⓘ) is a Nordic country in the south-central portion of Northern Europe. It is the metropolitan part of and the most populous constituent of the Kingdom of Denmark, a constitutionally unitary state that includes the autonomous territories of the Faroe Islands and Greenland in the North Atlantic Ocean. Metropolitan Denmark is the southernmost of the Scandinavian countries, lying south-west and south of Sweden, south of Norway, and north of Germany, with which it shares a short border, Denmark's only land border.
As of 2013, the Kingdom of Denmark, including the Faroe Islands and Greenland, had a total of 1,419 islands greater than 100 square metres (1,100 sq ft) in area; 443 of these have been named and 78 are inhabited. Spanning a total area of 42,943 km2 (16,580 sq mi), metropolitan Denmark consists of the northern part of the Jutland peninsula and an archipelago of 406 islands. Of these, the most populated island is Zealand, on which the capital and largest city, Copenhagen, is situated, followed by Funen, the North Jutlandic Island, and Amager. Denmark has flat, arable land, sandy coasts, low elevations, and a temperate climate. It had a population of 5,964,059 (1 December 2023), of whom 800,000 live in Copenhagen (2 million in the wider area). Denmark exercises hegemonic influence in the Danish Realm, devolving powers to handle internal affairs. Home rule was established in the Faroe Islands in 1948 and in Greenland in 1979; the latter obtained further autonomy in 2009. (Full article...)Related portals
Protected areas of the world - load new batch
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Image 1Protected areas of Eswatini include any geographical area protected for a specific use inside the landlocked country of Eswatini, in southern Africa.
Within Eswatini there is a mix of national, private and community-owned protected areas. They include national parks, nature reserves, wildlife sanctuaries and game reserves. (Full article...) -
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Many parts of Scotland are protected in accordance with a number of national and international designations because of their environmental, historical or cultural value. Protected areas can be divided according to the type of resource which each seeks to protect. NatureScot has various roles in the delivery of many environmental designations in Scotland, i.e. those aimed at protecting flora and fauna, scenic qualities and geological features. Historic Environment Scotland is responsible for designations that protect sites of historic and cultural importance. Some international designations, such as World Heritage Sites, can cover both categories of site.
The various designations overlap considerably with many protected areas being covered by multiple designations with different boundaries. (Full article...) -
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This is a list of protected areas in Armenia that are categorized as follows: 4 national parks, 3 state reserves, 27 state sanctuaries and 5 botanical gardens. (Full article...) -
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Image 5The National Parks of Argentina make up a network of 35 national parks in Argentina. The parks cover a very varied set of terrains and biotopes, from Baritú National Park on the northern border with Bolivia to Tierra del Fuego National Park in the far south of the continent. The Administración de Parques Nacionales (National Parks Administration) is the agency that preserves and manages these national parks along with Natural monuments and National Reserves within the country.
The headquarters of the National Parks Service are in downtown Buenos Aires, on Santa Fe Avenue. A library and information centre are open to the public. The administration also covers the national monuments, such as the Jaramillo Petrified Forest, and natural and educational reserves. (Full article...) -
Image 6Protected areas of Canada consist of approximately 12.1 percent of the nation's landmass and freshwater are considered conservation areas, including 11.4 percent designated as protected areas. Approximately 13.8 percent of Canada's territorial waters are conserved, including 8.9 percent designated as protected areas. Terrestrial areas conserved have increased by 65 percent in the 21st century, while marine areas conserved have increased by more than 3,800 percent.
Conservation and protected areas have different mandates depending on the organization which manages them, with some areas having a greater focus on ecological integrity, historical preservation, public usage, scientific research, or a combination of usages. Some areas such as the Polar Bear Pass, are co-managed and overseen by government and local indigenous agencies. (Full article...) -
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There are numerous parks throughout the sovereign island country of Singapore. This is a list of parks in Singapore that are currently existing and have articles on Wikipedia. Most parks in Singapore are managed by the National Parks Board, although smaller neighbourhood parks are managed by the Housing Development Board. Most of these parks are connected via the Park Connector Network (PCN). (Full article...) -
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The Gujarat state of western India has four National Parks and twenty-three wildlife sanctuaries which are managed by the Forest Department of the Government of Gujarat. (Full article...) -
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Image 11This is a list of protected areas in Botswana. (Full article...)
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Image 12The protected areas of Finland include national parks, nature reserves and other areas, with a purpose of conserving areas of all of Finland's ecosystems and biotopes.
Protected areas include:- National parks of Finland (Kansallispuisto/Nationalpark) - 8,170 km2
- Strict nature reserves of Finland (Luonnonpuisto/Naturreservat) - 1,530 km2
- Mire reserves of Finland (Soidensuojelualue/Myrskyddsområde) - 4,490 km2
- Protected herb-rich forest areas (Lehtojensuojelualue/Lundskyddsområde) - 13 km2
- Protected old-growth forest areas (Vanhat metsät/Gamla skogar) - 100 km2
- Grey seal protection areas (Hylkeidensuojelualue/Sälskyddsområde) - 190 km2
- Other protected areas on state-owned land - 468 km2
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Western Australia is the second largest country subdivision in the world.
As of 2022, based on the latest Collaborative Australian Protected Areas Database report, it contains 1857 separate land-based protected areas with a total area of 76,142,710 hectares (188,152,700 acres), accounting for just over 30 percent of the state's land mass. By area, Indigenous Protected Areas account for the largest part of this, almost 67 percent while, by number, nature reserves hold the majority with two-third of all land-based protected areas being nature reserves. (Full article...) -
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Protected areas of Qatar include:- Al Reem Biosphere Preserve (designated in 2007) is part of the World Network of Biosphere Reserves in the Arab States
- Al Shahaniyah Park in Al-Shahaniya
- Al Thakira Nature Reserve in Al Thakhira
- Al Wabra Wildlife Preservation
- Dahl Al Hammam Park, a sinkhole in Doha (entrance to the hole is now closed to the public)
- Khor Al Adaid Natural Reserve in Khor Al Adaid
- Khor Al Udeid Fish Sanctuary
- Mudhlem Cave in Mukaynis
- Musfer Sinkhole in Salwa
- Ras Abrouq Nature Reserve (also known as Bir Zekreet (Zekreet Beach)) in Ras Abrouq
- Ras Ushairij Gazelle Conservation Park
- Umm Tais National Park
Selected world maps
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Image 1The world map by Gerardus Mercator (1569), the first map in the well-known Mercator projection
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Image 2A plate tectonics map with volcano locations indicated with red circles
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Image 3Only a few of the largest large igneous provinces appear (coloured dark purple) on this geological map, which depicts crustal geologic provinces as seen in seismic refraction data
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Image 4Time zones of the world
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Image 5Index map from the International Map of the World (1:1,000,000 scale)
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Image 61516 map of the world by Martin Waldseemüller
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Image 7The Goode homolosine projection is a pseudocylindrical, equal-area, composite map projection used for world maps.
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Image 8United Nations Human Development Index map by country (2016)
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Image 9Mollweide projection of the world
World records
- List of Olympic records in athletics
- List of world records in athletics
- List of junior world records in athletics
- List of world records in masters athletics
- List of world youth bests in athletics
- List of IPC world records in athletics
- List of world records in canoeing
- List of world records in chess
- List of cycling records
- List of world records in track cycling
- List of world records in finswimming
- List of world records in juggling
- List of world records in rowing
- List of world records in speed skating
- List of world records in swimming
- List of IPC world records in swimming
- List of world records in Olympic weightlifting
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