Portal:World
The World Portal


In its most general sense, the term "world" refers to the totality of entities, to the whole of reality or to everything that is. 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 many 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, on the other hand, 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 commonly 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 often 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 commonly 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 or 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
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 2Nao Victoria, the ship accomplishing the circumnavigation and the only to return from the expedition. Detail from a map by Abraham Ortelius.
The Magellan expedition, also known as the Magellan–Elcano expedition, was the first voyage around the world in recorded history. It was a 16th century Spanish expedition initially led by Portuguese explorer Ferdinand Magellan to the Moluccas, which departed from Spain in 1519, and completed in 1522 by Spanish navigator Juan Sebastián Elcano, after crossing the Atlantic, Pacific and Indian oceans, culminating in the first circumnavigation of the world.
The expedition accomplished its primary goal – to find a western route to the Moluccas (Spice Islands). The fleet left Spain on 20 September 1519, sailed across the Atlantic ocean and down the eastern coast of South America, eventually discovering the Strait of Magellan, allowing them to pass through to the Pacific Ocean (which Magellan named). The fleet completed the first Pacific crossing, stopping in the Philippines, and eventually reached the Moluccas after two years. A much-depleted crew led by Juan Sebastián Elcano finally returned to Spain on 6 September 1522, having sailed west across the great Indian Ocean, then around the Cape of Good Hope through waters controlled by the Portuguese and north along the Western African coast to eventually arrive in Spain. (Full article...) - Image 3
The biological and geological future of Earth can be extrapolated based on the estimated effects of several long-term influences. These include the chemistry at Earth's surface, the cooling rate of the planet's interior, the gravitational interactions with other objects in the Solar System, and a steady increase in the Sun's luminosity. An uncertain factor is the pervasive influence of technology introduced by humans, such as climate engineering, which could cause significant changes to the planet. For example, the current Holocene extinction is being caused by technology, and the effects may last for up to five million years. In turn, technology may result in the extinction of humanity, leaving the planet to gradually return to a slower evolutionary pace resulting solely from long-term natural processes.
Over time intervals of hundreds of millions of years, random celestial events pose a global risk to the biosphere, which can result in mass extinctions. These include impacts by comets or asteroids and the possibility of a near-Earth supernova—a massive stellar explosion within a 100-light-year (31-parsec) radius of the Sun. Other large-scale geological events are more predictable. Milankovitch's theory predicts that the planet will continue to undergo glacial periods at least until the Quaternary glaciation comes to an end. These periods are caused by the variations in eccentricity, axial tilt, and precession of Earth's orbit. As part of the ongoing supercontinent cycle, plate tectonics will probably result in a supercontinent in 250–350 million years. Sometime in the next 1.5–4.5 billion years, Earth's axial tilt may begin to undergo chaotic variations, with changes in the axial tilt of up to 90°. (Full article...) - Image 4Universal Time (UT or UT1) is a time standard based on Earth's rotation. While originally it was mean solar time at 0° longitude, precise measurements of the Sun are difficult. Therefore, UT1 is computed from a measure of the Earth's angle with respect to the International Celestial Reference Frame (ICRF), called the Earth Rotation Angle (ERA, which serves as a modern replacement for Greenwich Mean Sidereal Time). UT1 is the same everywhere on Earth. UT1 is required to follow the relationship
:ERA = 2π(0.7790572732640 + 1.00273781191135448 · Tu) radians
where Tu = (Julian UT1 date - 2451545.0). (Full article...) - Image 5
The United Nations Conference on Trade and Development (UNCTAD) is an intergovernmental organization within the United Nations Secretariat that promotes the interests of developing countries in world trade. It was established in 1964 by the United Nations General Assembly (UNGA) and reports to that body and the United Nations Economic and Social Council (ECOSOC). UNCTAD is composed of 195 member states and works with nongovernmental organizations worldwide; its permanent secretariat is in Geneva, Switzerland.
The primary objective of UNCTAD is to formulate policies relating to all aspects of development, including trade, aid, transport, finance and technology. It was created in response to concerns among developing countries that existing international institutions like GATT (now replaced by the World Trade Organization), the International Monetary Fund (IMF), and the World Bank were not properly organized to handle the particular problems of developing countries; UNCTAD would provide a forum where developing nations could discuss and address problems relating to their economic development. (Full article...) - Image 6Protestors clash with Hong Kong police in the Wan Chai waterfront area during the WTO Ministerial Conference of 2005.
Since its creation in 1995, the World Trade Organization (WTO) has worked to maintain and develop international trade. As one of the largest international economic organizations (alongside the International Monetary Fund (IMF) and the World Bank), it has strong influence and control over trading rules and agreements, and thus has the ability to affect a country's economy immensely . The WTO policies aim to balance tariffs and other forms of economic protection with a trade liberalization policy, and to "ensure that trade flows as smoothly, predictably and freely as possible".
Indeed, the WTO claims that its actions "cut living costs and raise standards, stimulate economic growth and development, help countries develop, [and] give the weak a stronger voice." Statistically speaking, global trade has consistently grown between one and six percent per annum over the past decade, and US$38.8 billion were allocated to Aid for Trade in 2016.
Yet several criticisms of the WTO have arisen over time from a range of fields, including economists such as Dani Rodrik and Ha Joon Chang, and anthropologists such as Marc Edelman, who have argued that the institution "only serves the interests of multinational corporations, undermines local development, penalizes poor countries, [and] is increasing inequality", and have argued that some agreements about agriculture and pharmaceutical goods have led to restricted access to food and healthcare, thus causing large numbers of deaths. Several factors are alleged to contribute to these conditions, including but not limited to: the most favored nation rule (MFN), national treatment policies, and failure to regard the infant industry argument. Critics argue that the policies that support these principles fail to protect developing nations, and in some cases take advantage of them. For example, UNCTAD estimates that market distortions cost developing countries $700 billion annually in lost export revenue. (Full article...) - Image 7The Alps seen from outer space, taken from the International Space Station
The Alps (/ælps/) are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately 1,200 km (750 mi) across seven Alpine countries (from west to east): France, Switzerland, Italy, Liechtenstein, Austria, Germany, and Slovenia.
The Alpine arch generally extends from Nice on the western Mediterranean to Trieste on the Adriatic and Vienna at the beginning of the Pannonian Basin. The mountains were formed over tens of millions of years as the African and Eurasian tectonic plates collided. Extreme shortening caused by the event resulted in marine sedimentary rocks rising by thrusting and folding into high mountain peaks such as Mont Blanc and the Matterhorn. (Full article...)
General images - load new batch
Image 1Earth's land use for human agriculture (from Earth)
Image 2Pangaea 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)
Image 3A pillar from Göbekli Tepe (from Human history)
Image 4A composite image of artificial light emissions at night on a map of Earth (from Earth)
Image 5Civilians (here, Mỹ Lai, Vietnam, 1968) suffered greatly in 20th-century wars. (from Human history)
Image 6Earth–Moon system seen from Mars (from Earth)
Image 7Artist'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)
Image 8Empires of the world in 1898 (from Human history)
Image 9University of Timbuktu, Mali (from Human history)
Image 10The Standing Buddha from Gandhara, 2nd century AD (from Human history)
Image 11Overview map of the peopling of the world by early humans during the Upper Paleolithic, following the Southern Dispersal paradigm. Labels are in thousands of years ago. (from Human history)
Image 12China urbanized rapidly in the 21st century (Shanghai pictured). (from Human history)
Image 13Taj Mahal, Mughal Empire, India (from Human history)
Image 14A reconstruction of human history based on fossil data. (from History of Earth)
Image 15A reconstruction of Pannotia (550 Ma). (from History of Earth)
Image 16Pale orange dot artist's impression of the early Earth tinted orange by its methane-rich early atmosphere (from Earth)
Image 17Cross-section through a liposome (from History of Earth)
Image 18Dinosaurs were the dominant terrestrial vertebrates throughout most of the Mesozoic (from History of Earth)
Image 19Atomic bombings: Hiroshima, Nagasaki, 1945 (from Human history)
Image 20An artist's rendering of a protoplanetary disk (from History of Earth)
Image 21Machu Picchu, Inca Empire, Peru (from Human history)
Image 221570 world map, showing Europeans' discoveries (from Human history)
Image 23St. Peter's Basilica, Vatican City. (from Human history)
Image 24Pillar erected by India's Maurya Emperor Ashoka (from Human history)
Image 25Great Pyramids of Giza, Egypt (from Human history)
Image 26Angkor Wat temple, Cambodia, early 12th century (from Human history)
Image 27World population, from 10,000 BCE to 2000 CE, with projection to 2100 CE (from Human history)
Image 28Tiktaalik, a fish with limb-like fins and a predecessor of tetrapods. Reconstruction from fossils about 375 million years old. (from History of Earth)
Image 29World War I trench warfare (from Human history)
Image 30A brass "Benin Bronze" from Nigeria (from Human history)
Image 31Earth's history with time-spans of the eons to scale (from History of Earth)
Image 32Artist's conception of Devonian flora (from History of Earth)
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)
Image 34Olmec colossal head from La Venta (from Human history)
Image 35Moai, Rapa Nui (Easter Island) (from Human history)
Image 36Last Moon landing: Apollo 17 (1972) (from Human history)
Image 37Tracy Caldwell Dyson in the Cupola module of the International Space Station observing the Earth below (from Earth)
Image 38Hagia Sophia, in Istanbul, is among the most recognizable symbols of the Byzantine civilization. (from Human history)
Image 39Trilobites first appeared during the Cambrian period and were among the most widespread and diverse groups of Paleozoic organisms. (from History of Earth)
Image 40Chennakesava Temple, Belur, India (from Human history)
Image 41Chloroplasts in the cells of a moss (from History of Earth)
Image 42Obelisk of Axum, Ethiopia (from Human history)
Image 43Cave painting, Lascaux, France, c. 15,000 BCE (from Human history)
Image 44James Watt's steam engine powered the Industrial Revolution. (from Human history)
Image 45Schematic of Earth's magnetosphere, with the solar wind flows from left to right (from Earth)
Image 46An animation of the changing density of productive vegitation on land (low in brown; heavy in dark green) and phytoplankton at the ocean surface (low in purple; high in yellow) (from Earth)
Image 47Geologic 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.
Image 51Artist's conception of Hadean Eon Earth, when it was much hotter and inhospitable to all forms of life. (from History of Earth)
Image 52Ming dynasty section, Great Wall of China (from Human history)
Image 53The first aeroplane, the Wright Flyer, flew on 17 December 1903. (from Human history)
Image 54Reconstruction of Lucy, the first Australopithecus afarensis skeleton found (from Human history)
Image 55Afterglow of the troposphere (orange), the stratosphere (whitish), the mesosphere (blue) with remains of a spacecraft reentry trail, and above the thermosphere without a visible glow (from Earth)
Image 56Graph showing range of estimated partial pressure of atmospheric oxygen through geologic time (from History of Earth)
Image 57An artist's impression of ice age Earth at glacial maximum. (from History of Earth)
Image 58The 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)
Image 59A computer-generated image mapping the prevalence of artificial satellites and space debris around Earth in geosynchronous and low Earth orbit (from Earth)
Image 60Artist'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)
Image 61Artist's impression of the enormous collision that probably formed the Moon (from History of Earth)
Image 62Sunset over the gulf of Mexico as seen from space, with bands of clouds and the blue atmosphere visible (from Earth)
Image 63Earth's rotation imaged by Deep Space Climate Observatory, showing axis tilt (from Earth)
Image 64Monumental Cuneiform inscription, Sumer, Mesopotamia, 26th century BCE (from Human history)
Image 65Earth's surface is mainly ocean water. (from Earth)
Image 66Gutenberg Bible, c. 1450, produced using movable type (from Human history)
Image 67Yggdrasil, a modern attempt to reconstruct the Norse world tree which connects the heavens, the world, and the underworld. (from World)
Image 68The ocean dominates Earth's surface and hydrosphere, producing the global thermohaline circulation seawater flow (animation) (from Earth)
Image 69Earth topological map; the area is redder if it is raised higher in real-life. (from Earth)
Image 70Battle during 1281 Mongol invasion of Japan (from Human history)
Image 71Notre-Dame de Paris in Paris, France: is among the most recognizable symbols of the civilization of Christendom. (from Human history)
Image 72Maya observatory, Chichen Itza, Mexico (from Human history)
Image 73A 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)
Image 74Artist'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 much closer than today, producing strong tides. (from Earth)
Image 75Vitruvian Man by Leonardo da Vinci epitomizes the advances in art and science seen during the Renaissance. (from History of Earth)
Image 76Image of the physical world, captured by the Hubble Space Telescope (from World)
Image 77Earth's axial tilt causing different angles of seasonal illumination at different orbital positions around the Sun (from Earth)
Image 78Persepolis, Achaemenid Empire, 6th century BCE (from Human history)
Image 79Lithified 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)
Image 80Artist's rendition of an oxinated fully-frozen Snowball Earth with no remaining liquid surface water. (from History of Earth)
Image 81The Pantheon in Rome, Italy, originally a Roman temple, now a Catholic church (from Human history)
Image 82Change in average surface air temperature and drivers for that change. Human activity has caused increased temperatures, with natural forces adding some variability. (from Earth)
Image 83The 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)
Image 84Artist's impression of the early Solar System's protoplanetary disk, out of which Earth and other Solar System bodies formed (from Earth)
Image 85Crusader Krak des Chevaliers, Syria (from Human history)
Image 86Astronaut Bruce McCandless II outside of the Space Shuttle Challenger in 1984 (from History of Earth)
Image 87Great Mosque of Kairouan, Tunisia, founded 670 CE (from Human history)
Megacities of the world - show another
![]() Manhattan, looking southward from Top of the Rock |
New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over 300.46 square miles (778.2 km2), New York City is also the most densely populated major city in the United States, and is more than twice as populous as second-place Los Angeles. New York City lies at the southern tip of New York State, and constitutes the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the world by urban landmass. With over 20.1 million people in its metropolitan statistical area and 23.5 million in its combined statistical area as of 2020, New York is one of the world's most populous megacities, and over 58 million people live within 250 mi (400 km) of the city. New York City is a global cultural, financial, entertainment, and media center with a significant influence on commerce, health care and life sciences, research, technology, education, politics, tourism, dining, art, fashion, and sports. Home to the headquarters of the United Nations, New York is an important center for international diplomacy, an established safe haven for global investors, and is sometimes described as the capital of the world.
Situated on one of the world's largest natural harbors and extending into the Atlantic Ocean, New York City comprises five boroughs, each of which is coextensive with a respective county of the state of New York. The five boroughs—Brooklyn (Kings County), Queens (Queens County), Manhattan (New York County), the Bronx (Bronx County), and Staten Island (Richmond County)—were created when local governments were consolidated into a single municipal entity in 1898. The city and its metropolitan area constitute the premier gateway for legal immigration to the United States. As many as 800 languages are spoken in New York, making it the most linguistically diverse city in the world. New York City is home to more than 3.2 million residents born outside the United States, the largest foreign-born population of any city in the world as of 2016. , the New York metropolitan area is estimated to produce a gross metropolitan product of over $2.1 trillion, ranking it first worldwide. If the New York metropolitan area were a sovereign state, it would have the eighth-largest economy in the world. , New York is home to the highest number of billionaires and millionaires of any city and, in 2017, was the wealthiest city in the world. (Full article...)Did you know - load new batch
- ... that the 1992 championship of Vince McMahon's World Bodybuilding Federation consisted of "two of the silliest hours in the history of live sports"?
- ... that John Frankenheimer's World War II drama Rumors of Evening led one critic to predict stardom for Robert Loggia?
- ... that at 107 years old, Stanley Stair of Jamaica was at the time of his death the last surviving Caribbean veteran of World War I?
- ... that as Master of Pierson College at Yale University during World War II, Arnold Wolfers recruited students for the Office of Strategic Services?
- ... that the USA team at the 2007 World Cup of Pool wore orange shirts after both home-nation Dutch teams had been eliminated?
- ... that Eva Duldig, who was interned by Australia during the Second World War, later represented the country at the Wimbledon Championships?
- ... that spherical concretions were revealed on Ward Beach as a result of the large uplift of the seabed caused by the 2016 Kaikōura earthquake?
- ... that in a 2020 speech, U.S. secretary of state Mike Pompeo said that Hollywood self-censors when it comes to China?
Countries of the world - show another
The Comoros, officially the Union of the Comoros, is an independent country made up of three islands in southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni. The religion of the majority of the population, and the official state religion, is Sunni Islam. As a member of the Arab League, it is the only country in the Arab world which is entirely in the Southern Hemisphere. Comoros proclaimed their independence on July 6, 1975. It is also a member state of the African Union, the Organisation internationale de la Francophonie, the Organisation of Islamic Cooperation, and the Indian Ocean Commission. The country has three official languages: Chi Comori, French and Arabic.
The sovereign state consists of three major islands and numerous smaller islands, all in the volcanic Comoro Islands with the notable exception of Mayotte. Mayotte voted against independence from France in a referendum in 1974, and has since then never been administered by an independent Comoros government, and continues to be administered by France as an overseas department. France has vetoed United Nations Security Council resolutions that would affirm Comorian sovereignty over the island. Mayotte became an overseas department and a region of France in 2011 following a referendum which was passed overwhelmingly. (Full article...)Related portals
Protected areas of the world - load new batch
- Image 1West Matukituki Valley and the Matukituki River seen from Cascade Saddle in Mount Aspiring National Park.
Protected areas of New Zealand are areas that are in some way protected to preserve their environmental, scientific, scenic, historical, cultural or recreational value. There are about 10,000 protected areas covering about a third of the country. The method and aims of protection vary according to the importance of the resource and whether it is publicly or privately owned.
Nearly 30 percent of New Zealand's land mass is publicly owned with some degree of protection. Most of this land – about 80,000 square kilometres (31,000 sq mi) – is administered by the Department of Conservation. There are 13 national parks, thousands of reserves, 54 conservation parks, and a range of other conservation areas. (Full article...) - Image 2The Protected areas of Tamil Nadu State in South India cover an area of 3,305 km2 (1,276 sq mi), constituting 2.54% of the geographic area and 15% of the 22,643 km2 (8,743 sq mi) recorded forest area. It ranks 14th among all the States and Union Territories of India in terms of total protected area.
Creation and administration of Protected areas in South India originated with the Maharajas of the Southern Princely States' private hunting grounds. The Mudumalai National Park, established in 1940, was the first modern Wildlife Sanctuary in South India. Most protected areas throughout its 30 Districts are under the stewardship of the Ministry of Environment and Forests (India) and the Tamil Nadu Forest Department. (Full article...) - Image 3Protected 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...) - Image 4Forests in the state of Himachal Pradesh (northern India) currently cover an area of nearly 37,939 square kilometres (14,648 sq mi), which is about 68.16% of the total land area of the state. The forests were once considered to be the main source of income of the state and most of the original forests were clear felled. The emphasis has shifted, however, from exploitation to conservation. The state government aims to increase forest cover to 50% of the total land area. There have been various projects, including the establishment of protected areas such as National Parks, designed to preserve and expand the forests. (Full article...)
- Image 5The northernmost tip of Prins Karls Forland in Forlandet National Park
Svalbard is an Arctic wilderness archipelago comprising the northernmost part of Norway. There are twenty-nine protected natural areas, consisting of seven national parks, six nature reserves, fifteen bird sanctuaries and one geotope protected area. In addition, human traces dating from before 1946 are automatically protected. The protected areas make up 39,800 square kilometers (15,400 sq mi) or 65% of the land area, and 78,000 square kilometers (30,000 sq mi) or 86.5% of the territorial waters. The largest protected areas are Nordaust-Svalbard Nature Reserve and Søraust-Svalbard Nature Reserve, which cover most of the areas east of the main island of Spitsbergen, including the islands of Nordaustlandet, Edgeøya, Barentsøya, Kong Karls Land and Kvitøya. Six of the national parks are located on Spitsbergen. Ten of the bird sanctuaries and the Moffen Nature Reserve are located within national parks. Five of the bird sanctuaries are Ramsar sites and fourteen of the bird sanctuaries are islands. Svalbard is on Norway's tentative list for nomination as a UNESCO World Heritage Site.
The supreme responsibility for conservation lies with the Norwegian Ministry of the Environment, which has delegated the management to the Governor of Svalbard and the Norwegian Directorate for Nature Management. The foundation for conservation was established in the Svalbard Treaty of 1920, and has been further specified in the Svalbard Environmental Act of 2001. The first round of protection took force on 1 July 1973, when most of the current protected areas came into effect. This included the two large nature reserves and three of the national parks. Moffen Nature Reserve was established in 1983, followed by four national parks, three nature reserves and one geotope protection area between 2002 and 2005. (Full article...) - Image 6The state of Johor in Malaysia is noted for its national parks and forest reserves which preserve virgin rainforests known for its biodiversity and endangered species of animals.
Mangrove swamps and coral reefs are also protected within these parks. (Full article...) - Image 7Vegetation outside Goz Beïda
The wildlife of Chad is composed of its flora and fauna. Bush elephants, West African lions, buffalo, hippopotamuses, Kordofan giraffes, antelopes, African leopards, cheetahs, hyenas, and many species of snakes are found there, although most large carnivore populations have been drastically reduced since the early 20th century. Elephant poaching, particularly in the south of the country in areas such as Zakouma National Park, is a severe problem. (Full article...) - Image 8
- Image 9Rock carvings at the Ewaninga Rock Carvings Conservation Reserve
The protected areas of the Northern Territory consists of protected areas managed by the governments of the Northern Territory and Australia and private organisations with a reported total area of 335,527 square kilometres (129,548 sq mi) being 24.8% of the total area of the Northern Territory of Australia. (Full article...) - Image 10
This is a list of protected areas of Alberta. Protected areas are managed by the Government of Canada or the Government of Alberta. The provincial government owns 60% of Alberta's landmass but most of this has not been formally protected. The total protected area throughout Alberta including federal and provincial protected areas is approximately 90,700 km2 (35,000 sq mi). (Full article...) - Image 11
- Image 12This is a list of protected areas of Cambodia.
A total of 8 forms of protected area are recognized under the Cambodian Protected Area Law of 2008. These are: (Full article...) - Image 13
The protected areas of Bhutan are its national parks, nature preserves, and wildlife sanctuaries. Most of these protected areas were first set aside in the 1960s, originally covering most of the northern and southern regions of Bhutan. Today, protected areas cover more than 42% of the kingdom, mostly in the northern regions. Protected areas also line most of Bhutan's international borders with China and India. (Full article...) - Image 14The Protected areas of New South Wales include both terrestrial and marine protected areas. there are 225 national parks in New South Wales.
Based on the Collaborative Australian Protected Area Database (CAPAD) 2020 data there are 2136 separate terrestrial protected areas with a total land area of 7,696,641 hectares (19,018,810 acres) (9.61% of the state's area). CAPAD data also shows 18 marine protected areas with a total area of 348,849 hectares (862,020 acres), covering 39.63% of NSW waters. (Full article...) - Image 15The mountain of Stob Binnein lies in the Loch Lomond and The Trossachs National Park.
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...)
Selected world maps
Image 1Mollweide projection of the world
Image 2A plate tectonics map with volcano locations indicated with red circles
Image 3Index map from the International Map of the World (1:1,000,000 scale)
Image 41516 map of the world by Martin Waldseemüller
Image 5United Nations Human Development Index map by country (2016)
Image 6Only 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
Image 7The Goode homolosine projection is a pseudocylindrical, equal-area, composite map projection used for world maps.
Image 8The world map by Gerardus Mercator (1569), the first map in the well-known Mercator projection
Image 9Time zones 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
Topics
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Cenozoic Era (66.0 Ma–present) |
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Mesozoic Era (252–66.0 Ma) |
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Paleozoic Era (539–252 Ma) |
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Proterozoic Eon (2.5 Ga–539 Ma) |
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ka = kiloannum (thousands years ago); Ma = megaannum (millions years ago); Ga = gigaannum (billions years ago). See also: Geologic time scale • ![]() ![]() |
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†Postponed to 2021 due to the COVID-19 pandemic |
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