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Portal:World

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The world 
The world 
The Blue Marble, a photograph of the planet Earth made on 7 December 1972 by the crew of the Apollo 17 spacecraft.

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 "the 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

  • Image 1 Proto-globalization or early modern globalization is a period of the history of globalization roughly spanning the years between 1500 and 1800, following the period of archaic globalization. First introduced by historians A. G. Hopkins and Christopher Bayly, the term describes the phase of increasing trade links and cultural exchange that characterized the period immediately preceding the advent of so-called "modern globalization" in the 19th century. Proto-globalization distinguished itself from modern globalization on the basis of expansionism, the method of managing global trade, and the level of information exchange. The period is marked by the shift of hegemony to Western Europe, the rise of larger-scale conflicts between powerful nations such as the Thirty Years' War, and demand for commodities, most particularly slaves. The triangular trade made it possible for Europe to take advantage of resources within the western hemisphere. The transfer of plant and animal crops and epidemic diseases associated with Alfred Crosby's concept of the Columbian exchange also played a central role in this process. Proto-globalization trade and communications involved a vast group including European, Middle Eastern, Indian, Southeast Asian, and Chinese merchants, particularly in the Indian Ocean region. (Full article...)
    Proto-globalization or early modern globalization is a period of the history of globalization roughly spanning the years between 1500 and 1800, following the period of archaic globalization. First introduced by historians A. G. Hopkins and Christopher Bayly, the term describes the phase of increasing trade links and cultural exchange that characterized the period immediately preceding the advent of so-called "modern globalization" in the 19th century.

    Proto-globalization distinguished itself from modern globalization on the basis of expansionism, the method of managing global trade, and the level of information exchange. The period is marked by the shift of hegemony to Western Europe, the rise of larger-scale conflicts between powerful nations such as the Thirty Years' War, and demand for commodities, most particularly slaves. The triangular trade made it possible for Europe to take advantage of resources within the western hemisphere. The transfer of plant and animal crops and epidemic diseases associated with Alfred Crosby's concept of the Columbian exchange also played a central role in this process. Proto-globalization trade and communications involved a vast group including European, Middle Eastern, Indian, Southeast Asian, and Chinese merchants, particularly in the Indian Ocean region. (Full article...)
  • Image 2 The World Health Organization in Geneva, Switzerland Global health is the health of populations in a worldwide context; it has been defined as "the area of study, research, and practice that places a priority on improving health and achieving equity in health for all people worldwide". Problems that transcend national borders or have a global political and economic impact are often emphasized. Thus, global health is about worldwide health improvement (including mental health), reduction of disparities, and protection against global threats that disregard national borders, including the most common causes of human death and years of life lost from a global perspective. Global health is not to be confused with international health, which is defined as the branch of public health focusing on developing nations and foreign aid efforts by industrialized countries. (Full article...)
    The World Health Organization in Geneva, Switzerland

    Global health is the health of populations in a worldwide context; it has been defined as "the area of study, research, and practice that places a priority on improving health and achieving equity in health for all people worldwide". Problems that transcend national borders or have a global political and economic impact are often emphasized. Thus, global health is about worldwide health improvement (including mental health), reduction of disparities, and protection against global threats that disregard national borders, including the most common causes of human death and years of life lost from a global perspective.

    Global health is not to be confused with international health, which is defined as the branch of public health focusing on developing nations and foreign aid efforts by industrialized countries. (Full article...)
  • Image 3 Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as "Nuclear Weapon States" by the Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT. Proliferation has been opposed by many nations with and without nuclear weapons, as governments fear that more countries with nuclear weapons will increase the possibility of nuclear warfare (up to and including the so-called countervalue targeting of civilians with nuclear weapons), de-stabilize international or regional relations, or infringe upon the national sovereignty of nation states. Four countries besides the five recognized Nuclear Weapon States have acquired, or are presumed to have acquired, nuclear weapons: India, Pakistan, North Korea, and Israel. None of these four are a party to the NPT, although North Korea acceded to the NPT in 1985, then withdrew in 2003 and conducted its first nuclear test in 2006. One critique of the NPT is that the treaty is discriminatory in the sense that only those countries that tested nuclear weapons before 1968 are recognized as nuclear weapon states while all other states are treated as non-nuclear-weapon states who can only join the treaty if they forswear nuclear weapons. (Full article...)
    Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as "Nuclear Weapon States" by the Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT. Proliferation has been opposed by many nations with and without nuclear weapons, as governments fear that more countries with nuclear weapons will increase the possibility of nuclear warfare (up to and including the so-called countervalue targeting of civilians with nuclear weapons), de-stabilize international or regional relations, or infringe upon the national sovereignty of nation states.

    Four countries besides the five recognized Nuclear Weapon States have acquired, or are presumed to have acquired, nuclear weapons: India, Pakistan, North Korea, and Israel. None of these four are a party to the NPT, although North Korea acceded to the NPT in 1985, then withdrew in 2003 and conducted its first nuclear test in 2006. One critique of the NPT is that the treaty is discriminatory in the sense that only those countries that tested nuclear weapons before 1968 are recognized as nuclear weapon states while all other states are treated as non-nuclear-weapon states who can only join the treaty if they forswear nuclear weapons. (Full article...)
  • Image 4 High, medium, and low projections of the future human world population In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 more years to reach 8 billion. The human population has experienced continuous growth following the Great Famine of 1315–1317 and the end of the Black Death in 1350, when it was nearly 370,000,000. The highest global population growth rates, with increases of over 1.8% per year, occurred between 1955 and 1975, peaking at 2.1% between 1965 and 1970. The growth rate declined to 1.1% between 2015 and 2020 and is projected to decline further in the 21st century. The global population is still increasing, but there is significant uncertainty about its long-term trajectory due to changing fertility and mortality rates. The UN Department of Economics and Social Affairs projects between 9 and 10 billion people by 2050 and gives an 80% confidence interval of 10–12 billion by the end of the 21st century, with a growth rate by then of zero. Other demographers predict that the human population will begin to decline in the second half of the 21st century. (Full article...)
    High, medium, and low projections of the future human world population


    In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 more years to reach 8 billion.

    The human population has experienced continuous growth following the Great Famine of 1315–1317 and the end of the Black Death in 1350, when it was nearly 370,000,000. The highest global population growth rates, with increases of over 1.8% per year, occurred between 1955 and 1975, peaking at 2.1% between 1965 and 1970. The growth rate declined to 1.1% between 2015 and 2020 and is projected to decline further in the 21st century. The global population is still increasing, but there is significant uncertainty about its long-term trajectory due to changing fertility and mortality rates. The UN Department of Economics and Social Affairs projects between 9 and 10 billion people by 2050 and gives an 80% confidence interval of 10–12 billion by the end of the 21st century, with a growth rate by then of zero. Other demographers predict that the human population will begin to decline in the second half of the 21st century. (Full article...)
  • Image 5 The Hereford mappa mundi, a map of the world with Jerusalem at its centre The Hereford Mappa Mundi (Latin: mappa mundi) is the largest medieval map still known to exist, depicting the known world. It is a religious rather than literal depiction, featuring heaven, hell and the path to salvation. Dating from ca. AD 1300, the map is drawn in a form deriving from the T and O pattern. It is displayed at Hereford Cathedral in Hereford, England. The map was created as an intricate work of art rather than as a navigational tool. Sources for the information presented on the map include the Alexander tradition, medieval bestiaries and legends of monstrous races, as well as the Bible. Although the evidence is circumstantial, recent work links the map with the promotion of the cult of Thomas de Cantilupe. Others link the map to a justification of the expulsion of Jewry from England. Potentially antisemitic images include a horned Moses and a depiction of Jews worshipping the Golden Calf in the form of a Saracen devil. The map may also reflect very patriarchal views of women as inherently sinful, including figures such as the wife of Lot being turned into a pillar of salt for gazing at the city of Sodom. Cantilupe was known for his dislike of Jews; in historian Debra Strickland's opinion he was regarded as misogynistic even by the standards of his own time. (Full article...)
    The Hereford mappa mundi, a map of the world with Jerusalem at its centre


    The Hereford Mappa Mundi (Latin: mappa mundi) is the largest medieval map still known to exist, depicting the known world. It is a religious rather than literal depiction, featuring heaven, hell and the path to salvation. Dating from ca. AD 1300, the map is drawn in a form deriving from the T and O pattern. It is displayed at Hereford Cathedral in Hereford, England. The map was created as an intricate work of art rather than as a navigational tool. Sources for the information presented on the map include the Alexander tradition, medieval bestiaries and legends of monstrous races, as well as the Bible.

    Although the evidence is circumstantial, recent work links the map with the promotion of the cult of Thomas de Cantilupe. Others link the map to a justification of the expulsion of Jewry from England. Potentially antisemitic images include a horned Moses and a depiction of Jews worshipping the Golden Calf in the form of a Saracen devil. The map may also reflect very patriarchal views of women as inherently sinful, including figures such as the wife of Lot being turned into a pillar of salt for gazing at the city of Sodom. Cantilupe was known for his dislike of Jews; in historian Debra Strickland's opinion he was regarded as misogynistic even by the standards of his own time. (Full article...)
  • Image 6 Map of global water stress (a symptom of water scarcity) in 2019. Water stress is the ratio of water use relative to water availability and is therefore a demand-driven scarcity. Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. There are two types of water scarcity. One is physical. The other is economic water scarcity. Physical water scarcity is where there is not enough water to meet all demands. This includes water needed for ecosystems to function. Regions with a desert climate often face physical water scarcity. Central Asia, West Asia, and North Africa are examples of arid areas. Economic water scarcity results from a lack of investment in infrastructure or technology to draw water from rivers, aquifers, or other water sources. It also results from weak human capacity to meet water demand. Many people in Sub-Saharan Africa are living with economic water scarcity. There is enough freshwater available globally and averaged over the year to meet demand. As such, water scarcity is caused by a mismatch between when and where people need water, and when and where it is available. This can happen due to an increase in the number of people in a region, changing living conditions and diets, and expansion of irrigated agriculture. Climate change (including droughts or floods), deforestation, water pollution and wasteful use of water can also mean there is not enough water. These variations in scarcity may also be a function of prevailing economic policy and planning approaches. (Full article...)
    Map of global water stress (a symptom of water scarcity) in 2019. Water stress is the ratio of water use relative to water availability and is therefore a demand-driven scarcity.


    Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. There are two types of water scarcity. One is physical. The other is economic water scarcity. Physical water scarcity is where there is not enough water to meet all demands. This includes water needed for ecosystems to function. Regions with a desert climate often face physical water scarcity. Central Asia, West Asia, and North Africa are examples of arid areas. Economic water scarcity results from a lack of investment in infrastructure or technology to draw water from rivers, aquifers, or other water sources. It also results from weak human capacity to meet water demand. Many people in Sub-Saharan Africa are living with economic water scarcity.

    There is enough freshwater available globally and averaged over the year to meet demand. As such, water scarcity is caused by a mismatch between when and where people need water, and when and where it is available. This can happen due to an increase in the number of people in a region, changing living conditions and diets, and expansion of irrigated agriculture. Climate change (including droughts or floods), deforestation, water pollution and wasteful use of water can also mean there is not enough water. These variations in scarcity may also be a function of prevailing economic policy and planning approaches. (Full article...)
  • Image 7 The astronomical symbol of Earth represents either the four quadrants of the world or the four continents. Several cosmological and mythological systems portray four corners of the world or four quarters of the world corresponding approximately to the four points of the compass (or the two solstices and two equinoxes). At the center may lie a sacred mountain, garden, world tree, or other beginning-point of creation. Often four rivers run to the four corners of the world, and water or irrigate the four quadrants of Earth. (Full article...)
    The astronomical symbol of Earth represents either the four quadrants of the world or the four continents.


    Several cosmological and mythological systems portray four corners of the world or four quarters of the world corresponding approximately to the four points of the compass (or the two solstices and two equinoxes). At the center may lie a sacred mountain, garden, world tree, or other beginning-point of creation. Often four rivers run to the four corners of the world, and water or irrigate the four quadrants of Earth. (Full article...)
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The following are images from various world-related articles on Wikipedia.

Megacities of the world - show another

Lujiazui from Zhapulu Bridge with the Oriental Pearl Tower (left) and Shanghai Tower (right)

Shanghai is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the Huangpu River flowing through it. The population of the city proper is the second largest in the world, with around 24.87 million inhabitants in 2023, while the urban area is the most populous in China, with 29.87 million residents. As of 2022, the Greater Shanghai metropolitan area was estimated to produce a gross metropolitan product (nominal) of nearly 13 trillion RMB ($1.9 trillion). Shanghai is one of the world's major centers for finance, business and economics, research, science and technology, manufacturing, transportation, tourism, and culture. The Port of Shanghai is the world's busiest container port.

Originally a fishing village and market town, Shanghai grew in importance in the 19th century due to both domestic and foreign trade and its favorable port location. The city was one of five treaty ports forced to open to European trade after the First Opium War. The Shanghai International Settlement and the French Concession were subsequently established. The city then flourished, becoming a primary commercial and financial hub of Asia in the 1930s. During the Second Sino-Japanese War, the city was the site of the major Battle of Shanghai. After the war, the Chinese Civil War soon resumed between the Kuomintang (KMT) and the Chinese Communist Party (CCP), with the latter eventually taking over the city and most of the mainland. From the 1950s to the 1970s, trade was mostly limited to other socialist countries in the Eastern Bloc, causing the city's global influence to decline during the Cold War. (Full article...)

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Countries of the world - show another

Bosnia and Herzegovina (Serbo-Croatian: Bosna i Hercegovina, Босна и Херцеговина), sometimes known as Bosnia-Herzegovina and informally as Bosnia, is a country in Southeast Europe, situated on the Balkan Peninsula. It borders Serbia to the east, Montenegro to the southeast, and Croatia to the north and southwest. In the south it has a 20-kilometre-long (12-mile) coast on the Adriatic Sea, with the town of Neum being its only access to the sea. Bosnia has a moderate continental climate with hot summers and cold, snowy winters. In the central and eastern regions, the geography is mountainous, in the northwest it is moderately hilly, and in the northeast it is predominantly flat. Herzegovina, the smaller, southern region, has a Mediterranean climate and is mostly mountainous. Sarajevo is the capital and the largest city.

The area has been inhabited since at least the Upper Paleolithic, but evidence suggests that during the Neolithic age, permanent human settlements were established, including those that belonged to the Butmir, Kakanj, and Vučedol cultures. After the arrival of the first Indo-Europeans, the area was populated by several Illyrian and Celtic civilizations. The ancestors of the South Slavic peoples that populate the area today arrived during the 6th through the 9th century. In the 12th century, the Banate of Bosnia was established; by the 14th century, this had evolved into the Kingdom of Bosnia. In the mid-15th century, it was annexed into the Ottoman Empire, under whose rule it remained until the late 19th century; the Ottomans brought Islam to the region. From the late 19th century until World War I, the country was annexed into the Austro-Hungarian monarchy. In the interwar period, Bosnia and Herzegovina was part of the Kingdom of Yugoslavia. After World War II, it was granted full republic status in the newly formed Socialist Federal Republic of Yugoslavia. In 1992, following the breakup of Yugoslavia, the republic proclaimed independence. This was followed by the Bosnian War, which lasted until late 1995 and ended with the signing of the Dayton Agreement. (Full article...)

List of countries
See also: List of sovereign states

Wonders of the World - show another

Official certificate

The New 7 Wonders of the World was a campaign started in 2001 to choose Wonders of the World from a selection of 200 existing monuments. The popularity poll via free web-based voting and telephone voting was led by Canadian-Swiss Bernard Weber and organized by the New 7 Wonders Foundation (N7W) based in Zurich, Switzerland, with winners announced on 7 July 2007 at Estádio da Luz in Lisbon. The poll was considered unscientific partly because it was possible for people to cast multiple votes. According to John Zogby, founder and current President/CEO of the Utica, New York–based polling organization Zogby International, New 7 Wonders Foundation drove "the largest poll on record".

The program drew a wide range of official reactions. Some countries touted their finalist and tried to get more votes cast for it, while others downplayed or criticized the contest. After supporting the New 7 Wonders Foundation at the beginning of the campaign by providing advice on nominee selection, the United Nations Educational, Scientific, and Cultural Organization (UNESCO), bound by its bylaws to record and give equal status to all World Heritage Sites, distanced itself from the undertaking in 2001 and again in 2007. (Full article...)

Protected areas of the world - load new batch

List of protected areas

Selected world maps

See also: Clickable world map • List of map projections

World records

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