95-524: The Green Schools Campaign (GSC) is a Los Angeles based non-profit organization designed to help schools transition to renewable energy . It was founded in 2020 by Simon Aron, Calum Worthy , and Michael Zelniker and has operated using an online-only model throughout its existence. It is currently led by Executive Director Lily Morse, Operations Directors Ghazal Mirzazadeh and Ava Acevedo, Engagement and Intake Director Angeline Aloysius, and Communications Director Natalia Armenta. The Climate Reality Project
190-416: A real-estate slump , gas prices and related financial problems. Many economists believe that the economy entered a recession at the end of 2007 or early in 2008. Some state budgets for tourism marketing have decreased, such as Connecticut which is facing soaring gas prices. 100 million tourists visited Florida in 2015, a record for the nation. There exist a broad range of tourist attractions in
285-465: A business exodus from Downtown Los Angeles since the COVID-19 pandemic , the city's urban core is evolving as a cultural center with the world's largest showcase of architecture designed by Frank Gehry . On September 4, 1781, a group of 44 settlers known as " Los Pobladores " founded the pueblo (town) they called El Pueblo de Nuestra Señora la Reina de los Ángeles , 'The Town of Our Lady
380-401: A minority of Americans could experience the luxury of tourism. Many Americans traveled to find work, but few found time for enjoyment of the urban environment. As transportation networks improved, the length of commuting decreased, and income rose. A growing number of Americans were able to afford short vacations by 1915. Still, mass tourism was not possible until after World War II . During
475-485: A profit; the other, according to an analysis of contemporary newspaper reports, was the 1932 Summer Olympics , also held in Los Angeles. Racial tensions erupted on April 29, 1992, with the acquittal by a Simi Valley jury of four Los Angeles Police Department (LAPD) officers captured on videotape beating Rodney King , culminating in large-scale riots . In 1994, the magnitude 6.7 Northridge earthquake shook
570-512: A series of terrorist attacks on the U.S. Terrorists used four commercial airliners as weapons of destruction, all of which were destroyed in the attacks on New York City, Washington, D.C., and in Pennsylvania with nearly 3,000 deaths. In the first full week after flights resumed, passenger numbers fell by nearly 45 percent, from 9 million in the week before September 11 to 5 million. Hotels and travel agencies received cancellations across
665-507: A single type, where industrial uses were prohibited. The proscriptions included barns, lumber yards, and any industrial land use employing machine-powered equipment. These laws were enforced against industrial properties after the fact. These prohibitions were in addition to existing activities that were already regulated as nuisances. These included explosives warehousing, gas works, oil drilling, slaughterhouses, and tanneries . Los Angeles City Council also designated seven industrial zones within
760-410: A symbol of accomplishment. By 1915, city touring had marked significant shifts in the way Americans perceived, organized and moved around in urban environments. Urban tourism became a profitable industry in 1915 as the number of tour agencies, railroad passenger departments, guidebook publishers and travel writers grew at a fast pace. The expense of pleasure tours between 1850 and 1915 meant that only
855-438: Is Mount San Antonio , locally known as Mount Baldy, which reaches 10,064 feet (3,068 m). Further afield, the highest point in southern California is San Gorgonio Mountain , 81 miles (130 km) east of downtown Los Angeles, with a height of 11,503 feet (3,506 m). The Los Angeles River , which is largely seasonal, is the primary drainage channel . It was straightened and lined in 51 miles (82 km) of concrete by
950-722: Is a common problem in this population. Although Serieys et al. 2014 find selection of immune genetics at several loci they do not demonstrate that this produces a real difference which helps the bobcats to survive future mange outbreaks . Los Angeles is subject to earthquakes because of its location on the Pacific Ring of Fire . The geologic instability has produced numerous faults , which cause approximately 10,000 earthquakes annually in Southern California, though most of them are too small to be felt. The strike-slip San Andreas Fault system, which sits at
1045-719: Is a sprawling metropolis of over 18.3 million residents. The majority of the city proper lies in a basin in Southern California adjacent to the Pacific Ocean in the west and extending partly through the Santa Monica Mountains and north into the San Fernando Valley , with the city bordering the San Gabriel Valley to its east. It covers about 469 square miles (1,210 km ), and is the county seat of Los Angeles County , which
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#17327811022741140-452: Is complicated by rugged terrain, which has necessitated having different grids for each of the valleys that Los Angeles covers. Major streets are designed to move large volumes of traffic through many parts of the city, many of which are extremely long; Sepulveda Boulevard is 43 miles (69 km) long, while Foothill Boulevard is over 60 miles (97 km) long, reaching as far east as San Bernardino. Drivers in Los Angeles suffer from one of
1235-437: Is divided into many different districts and neighborhoods, some of which had been separately incorporated cities that eventually merged with Los Angeles. These neighborhoods were developed piecemeal, and are well-defined enough that the city has signage which marks nearly all of them. The city's street patterns generally follow a grid plan , with uniform block lengths and occasional roads that cut across blocks. However, this
1330-623: Is either the first, second, or third largest employer in 29 states, employing 7.3 million in 2004, to take care of 1.19 billion trips tourists took in the U.S. in 2005. The U.S. outbound holiday market is sensitive in the short term, but possibly one of the most surprising results from the September 11, 2001 attacks was that by February 2002 it had bounced back. This quick revival was generally quicker than many commentators had predicted only five months earlier. The United States economy began to slow significantly in 2007, mostly because of
1425-502: Is expected to continue to drop in the coming years because of aggressive steps to reduce it, which include electric and hybrid cars, improvements in mass transit , and other measures. The number of Stage 1 smog alerts in Los Angeles has declined from over 100 per year in the 1970s to almost zero in the new millennium. Despite improvement, the 2006 and 2007 annual reports of the American Lung Association ranked
1520-488: Is rich in native plant species partly because of its diversity of habitats, including beaches, wetlands , and mountains. The most prevalent plant communities are coastal sage scrub , chaparral shrubland, and riparian woodland . Native plants include: the California poppy , matilija poppy , toyon , Ceanothus , Chamise , Coast Live Oak , sycamore , willow and Giant Wildrye . Many of these native species, such as
1615-511: Is the most populous county in the United States with an estimated 9.86 million residents as of 2022 . It is the third-most visited city in the U.S. with over 2.7 million visitors as of 2023. The area that became Los Angeles was originally inhabited by the indigenous Tongva people and later claimed by Juan Rodríguez Cabrillo for Spain in 1542. The city was founded on September 4, 1781, under Spanish governor Felipe de Neve , on
1710-465: Is the most visited destination in the United States, followed by Los Angeles , Orlando , Las Vegas , and Chicago . Tourists spend more money in the United States than in any other country, but the United States attracts only the third-highest number of tourists, after France and Spain . The discrepancy may be explained by longer stays in the US. The rise of urban tourism in the United States during
1805-687: Is the parent organization of the Green Schools Campaign. The Green Schools Campaign works to transition schools across the globe to 100% clean, renewable energy, by giving students the tools, encouragement, and support to directly lead change in their own communities and combat the climate crisis. This student-led initiative first began when, in 2019, a coalition spearheaded by former Vice President Al Gore's Climate Reality LA chapter lobbied Los Angeles Unified School District to commit to transitioning to 100% clean, renewable energy. The coalition eventually succeeded, with unanimous support from
1900-413: The 1916 New York City Zoning Ordinance did. Second, the residential zones did not distinguish types of housing; they treated apartments, hotels, and detached-single-family housing equally. In 1910, Hollywood merged into Los Angeles, with 10 movie companies already operating in the city at the time. By 1921, more than 80 percent of the world's film industry was concentrated in L.A. The money generated by
1995-805: The Army Corps of Engineers to act as a flood control channel. The river begins in the Canoga Park district of the city, flows east from the San Fernando Valley along the north edge of the Santa Monica Mountains, and turns south through the city center, flowing to its mouth in the Port of Long Beach at the Pacific Ocean. The smaller Ballona Creek flows into the Santa Monica Bay at Playa del Rey . Los Angeles
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#17327811022742090-547: The Hillside Stranglers murder cases in 1977–1978. In early 1984, the city surpassed Chicago in population, thus becoming the second largest city in the United States. In 1984, the city hosted the Summer Olympic Games for the second time . Despite being boycotted by 14 Communist countries , the 1984 Olympics became more financially successful than any previous, and the second Olympics to turn
2185-546: The Los Angeles sunflower , have become so rare as to be considered endangered. Mexican Fan Palms , Canary Island Palms , Queen Palms , Date Palms , and California Fan Palms are common in the Los Angeles area, although only the last is native to California, though still not native to the City of Los Angeles. Los Angeles has a number of official flora: The city has an urban population of bobcats ( Lynx rufus ). Mange
2280-593: The Mission San Gabriel Arcángel , the first mission in the area. On September 4, 1781, a group of 44 settlers known as " Los Pobladores " founded the pueblo (town) they called El Pueblo de Nuestra Señora la Reina de los Ángeles , 'The Town of Our Lady the Queen of the Angels';. The present-day city has the largest Roman Catholic archdiocese in the United States. Two-thirds of
2375-577: The Spanish Empire in 1542, while on an official military exploring expedition, as he was moving northward along the Pacific coast from earlier colonizing bases of New Spain in Central and South America. Gaspar de Portolà and Franciscan missionary Juan Crespí reached the present site of Los Angeles on August 2, 1769. In 1771, Franciscan friar Junípero Serra directed the building of
2470-487: The reliance of automobiles of which Americans saw cars as their new personal found freedom and enjoyment. The tourism industry in the U.S. experienced exponential growth as tourists could travel almost anywhere with a fast, reliable and routine system. For some, a vacation in Hawaii was now a more frequent pleasure. Air travel changed everything from family vacations to Major League Baseball , as had steam-powered trains in
2565-577: The siege of Los Angeles where 150 Mexican militias fought the occupiers which eventually surrendered. Mexican rule ended during following the American Conquest of California , part of the larger Mexican-American War . Americans took control from the Californios after a series of battles, culminating with the signing of the Treaty of Cahuenga on January 13, 1847. The Mexican Cession
2660-473: The "Penn a Phrase" contest, in which the slogan " Pursue Your Happiness " was ultimately selected. Some slogans became the targets of campaigns to rename them launched by state residents, such as a failed 2013 campaign to change Kentucky's slogan from "Unbridled Spirit" to "Kentucky Kicks Ass". The travel and tourism industry in the U.S. was among the first commercial casualties of the September 11 attacks ,
2755-505: The 1800s enabled tourists to travel more easily and quickly. In the United States, 2,800 miles (4,500 km) of rail track had been completed by 1840, by 1860 all major eastern US cities were linked by rail, and by 1869 the first trans-American railroad link was completed. Yosemite Park was developed as a tourist attraction in the late 1850s and early 1860s for an audience who wanted a national icon and place to symbolize exotic wonder of its region. Photography played an important role for
2850-723: The 1830s, 40s and 50s described new prisons, asylums and institutions for the deaf and blind, and urged tourists to visit these sights. Accounts of these visits written by Charles Dickens , Harriet Martineau , Lydia Sigourney and Caroline Gilman were published in magazines and travel books . Sigourney's Scenes in My Native Land (1845) included descriptions of her tour of Niagara Falls and other places of scenic interest with accounts of her visits to prisons and asylums. Many visited these institutions because nothing like them had existed before. The buildings which housed them were themselves monumental, often placed on hilltops as
2945-487: The 1890s brought rapid growth to the city. The city was further expanded with the completion of the Los Angeles Aqueduct in 1913, which delivers water from Eastern California . Los Angeles has a diverse economy with a broad range of industries. Despite a steep exodus of film and television production since the COVID-19 pandemic , Los Angeles is still one of the largest hubs of American film production ,
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3040-671: The 1930s, / l ɔː s ˈ æ n dʒ əl ə s / has been most common. In 1934, the United States Board on Geographic Names decreed that this pronunciation be used by the federal government. This was also endorsed in 1952 by a "jury" appointed by Mayor Fletcher Bowron to devise an official pronunciation. Common pronunciations in the United Kingdom include / l ɒ s ˈ æ n dʒ ɪ l iː z , - l ɪ z , - l ɪ s / loss AN -jil-eez, -iz, -iss . Phonetician Jack Windsor Lewis described
3135-500: The 19th century, tourism of any form had been available only to the upper and middle classes. This changed during the early 20th century. In 1895, popular publications printed articles showing the car was cheaper to operate than the horse. The development of automobiles in the early 1900s included the introduction of the Ford Model T in 1908. In 1900, 8,000 cars were registered in the US, but this had increased to 619,000 by 1911. By
3230-507: The 20th century, Los Angeles substantially reduced the amount of housing that could be built by drastically downzoning the city. In 1960, the city had a total zoned capacity for approximately 10 million people. By 1990, that capacity had fallen to 4.5 million as a result of policy decisions to ban housing through zoning. Racial tensions led to the Watts riots in 1965, resulting in 34 deaths and over 1,000 injuries. In 1969, California became
3325-507: The City of Los Angeles from selling or providing water from the aqueduct to any area outside its borders, many adjacent cities and communities felt compelled to join Los Angeles. Los Angeles created the first municipal zoning ordinance in the United States. On September 14, 1908, the Los Angeles City Council promulgated residential and industrial land use zones. The new ordinance established three residential zones of
3420-789: The Connecticut State Penitentiary at Wethersfield in 1827, Mount Auburn Cemetery in 1831, the Perkins School for the Blind in 1832, and the Worcester State Hospital in 1833. These institutions attracted the curiosity of American and foreign visitors. The English writer and actress Fanny Kemble , an admirer of the American prison system, was also concerned that nature was being destroyed in favor of new developments. Guidebooks published in
3515-421: The Green Schools Campaign has expanded over 13 countries, with over 45 active schools, involving more than 110 students in the process. The organization consists of 6 directors, 9 region coordinators, 3 leads, 1 researcher, 2 graphic design and video-makers, and over 20 members that make up the various teams of the organization . Engagement and Intake Director Angeline Aloysius recently had her Op-Ed published in
3610-688: The Los Angeles area include the 1933 Long Beach , 1971 San Fernando , 1987 Whittier Narrows , and the 1994 Northridge events. All but a few are of low intensity and are not felt. The USGS has released the UCERF California earthquake forecast , which models earthquake occurrence in California. Parts of the city are also vulnerable to tsunamis ; harbor areas were damaged by waves from Aleutian Islands earthquake in 1946, Valdivia earthquake in 1960, Alaska earthquake in 1964, Chile earthquake in 2010 and Japan earthquake in 2011. The city
3705-502: The Los Angeles area was the headquarters of six of the country's major aircraft manufacturers ( Douglas Aircraft Company , Hughes Aircraft , Lockheed , North American Aviation , Northrop Corporation , and Vultee ). During the war, more aircraft were produced in one year than in all the pre-war years since the Wright brothers flew the first airplane in 1903, combined. Manufacturing in Los Angeles skyrocketed, and as William S. Knudsen , of
3800-685: The Los Angeles/Long Beach port complex, Los Angeles suffers from air pollution in the form of smog. The Los Angeles Basin and the San Fernando Valley are susceptible to atmospheric inversion , which holds in the exhausts from road vehicles, airplanes, locomotives, shipping, manufacturing, and other sources. The smog season lasts from approximately May to October. While other large cities rely on rain to clear smog, Los Angeles gets only 15 inches (380 mm) of rain each year: pollution accumulates over many consecutive days. Issues of air quality in Los Angeles and other major cities led to
3895-489: The Mexican or ( New Spain ) settlers were mestizo or mulatto , a mixture of African, indigenous and European ancestry. The settlement remained a small ranch town for decades, but by 1820, the population had increased to about 650 residents. Today, the pueblo is commemorated in the historic district of Los Angeles Pueblo Plaza and Olvera Street , the oldest part of Los Angeles. New Spain achieved its independence from
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3990-523: The National Defense Advisory Commission put it, "We won because we smothered the enemy in an avalanche of production, the like of which he had never seen, nor dreamed possible." After the end of World War II Los Angeles grew more rapidly than ever, sprawling into the San Fernando Valley . The expansion of the state owned Interstate Highway System during the 1950s and 1960s helped propel suburban growth and signaled
4085-571: The Queen of the Angels'. The original name of the settlement is disputed; the Guinness Book of World Records rendered it as "El Pueblo de Nuestra Señora la Reina de los Ángeles del Río Porciúncula "; other sources have shortened or alternate versions of the longer name. The local English pronunciation of the name of the city has varied over time. A 1953 article in the journal of the American Name Society asserts that
4180-506: The San Diego Union Tribune , highlighting the steps she was taking to transition her school district and how other youth could do the same at their own schools. Press Lead Riley Brown writes blog posts for the Green Schools Campaign. Los Angeles Los Angeles , often referred to by its initials L.A. , is the most populous city in the U.S. state of California . With an estimated 3,820,914 residents within
4275-696: The San Fernando Valley. Other hilly parts of Los Angeles include the Mt. Washington area north of Downtown, eastern parts such as Boyle Heights , the Crenshaw district around the Baldwin Hills , and the San Pedro district. Surrounding the city are much higher mountains. Immediately to the north lie the San Gabriel Mountains , which is a popular recreation area for Angelenos. Its high point
4370-527: The Southern Californian coast, is subject to a late spring/early summer weather phenomenon called " June Gloom ". This involves overcast or foggy skies in the morning that yield to sun by early afternoon. More recently, statewide droughts in California have further strained the city's water security . Downtown Los Angeles averages 14.67 in (373 mm) of precipitation annually, mainly occurring between November and March, generally in
4465-475: The Spanish Empire in 1821, and the pueblo now existed within the new Mexican Republic . During Mexican rule, Governor Pío Pico made Los Angeles the regional capital of Alta California . By this time, the new republic introduced more secularization acts within the Los Angeles region. In 1846, during the wider Mexican-American war , marines from the United States occupied the pueblo. This resulted in
4560-494: The United States and the demand for air travel all contributed to the early beginnings of commercial aviation in the US. During the first four decades of the 20th century, long-haul journeys between large American cities were accomplished using trains. By the 1950s, air travel was part of everyday life for many Americans. This was also helped by the establishment of the Interstate Highway System as well as
4655-464: The United States grew rapidly in the form of urban tourism during the late nineteenth and early twentieth centuries. By the 1850s, tourism in the United States was well established both as a cultural activity and as an industry. New York City , Los Angeles , Chicago , Boston , Philadelphia , Washington, D.C. , and San Francisco , all major U.S. cities, attracted numerous tourists since the 1890s. By 1915, city touring had marked significant shifts in
4750-451: The United States such as amusement parks , festivals, gambling, golf courses, historical buildings and landmarks, hotels, museums, galleries, outdoor recreation, spas, restaurants and sports. In August 2019, after various mass shootings in the U.S., Amnesty International and some countries issued a travel warning. The highest numbers of non-immigrant admissions into the United States for tourists and for business purposes in were from
4845-501: The United States were among the first economic sectors negatively affected by the September 11 attacks . In the U.S., tourism is among the three largest employers in 29 states, employing 7.3 million in 2004, to take care of 1.19 billion trips tourists took in the U.S. in 2005. As of 2007, there are 2,462 registered National Historic Landmarks (NHL) recognized by the United States government . As of 2018, New York City
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#17327811022744940-422: The United States. In that quarter century, commercial aviation evolved from 28-passenger airliners flying at less than 200 mph (320 km/h) to 150-passenger jetliners cruising continents at 600 mph (970 km/h). During this time, air travel in the U.S. evolved from a novelty into a routine for business travelers and vacationers alike. Rapid developments in aviation technology, economic prosperity in
5035-769: The birthplace of the Internet, as the first ARPANET transmission was sent from the University of California, Los Angeles (UCLA) to the Stanford Research Institute in Menlo Park . In 1973, Tom Bradley was elected as the city's first African American mayor, serving for five terms until retiring in 1993. Other events in the city during the 1970s included the Symbionese Liberation Army 's South Central standoff in 1974 and
5130-632: The boundary between the Pacific Plate and the North American Plate , passes through the Los Angeles metropolitan area. The segment of the fault passing through Southern California experiences a major earthquake roughly every 110 to 140 years, and seismologists have warned about the next "big one", as the last major earthquake was the 1857 Fort Tejon earthquake . The Los Angeles basin and metropolitan area are also at risk from blind thrust earthquakes . Major earthquakes that have hit
5225-428: The boundary of a Mediterranean climate ( Köppen : Csb on the coast, Csa otherwise). Daytime temperatures are generally temperate all year round. In winter, they average around 68 °F (20 °C). Autumn months tend to be hot, with major heat waves a common occurrence in September and October, while the spring months tend to be cooler and experience more precipitation. Los Angeles has plenty of sunshine throughout
5320-404: The city as the most polluted in the country with short-term particle pollution and year-round particle pollution. In 2008, the city was ranked the second most polluted and again had the highest year-round particulate pollution. The city met its goal of providing 20 percent of the city's power from renewable sources in 2010. The American Lung Association's 2013 survey ranks the metro area as having
5415-537: The city is 342 miles (550 km). Los Angeles is both flat and hilly. The highest point in the city proper is Mount Lukens at 5,074 ft (1,547 m), located in the foothills of the San Gabriel Mountains at the north extent of the Crescenta Valley . The eastern end of the Santa Monica Mountains stretches from Downtown to the Pacific Ocean and separates the Los Angeles Basin from
5510-459: The city limits as of 2023 , it is the second-most populous city in the United States, behind only New York City ; it is also the commercial, financial and cultural center of Southern California . Los Angeles has an ethnically and culturally diverse population, and is the principal city of a metropolitan area of 12.8 million people (2023). Greater Los Angeles , which includes the Los Angeles and Riverside–San Bernardino metropolitan areas,
5605-504: The city, causing $ 12.5 billion in damage and 72 deaths. The century ended with the Rampart scandal , one of the most extensive documented cases of police misconduct in American history. In 2002, Mayor James Hahn led the campaign against secession, resulting in voters defeating efforts by the San Fernando Valley and Hollywood to secede from the city. In 2022 , Karen Bass became the city's first female mayor , making Los Angeles
5700-497: The city. However, between 1908 and 1915, the Los Angeles City Council created various exceptions to the broad proscriptions that applied to these three residential zones, and as a consequence, some industrial uses emerged within them. There are two differences between the 1908 Residence District Ordinance and later zoning laws in the United States. First, the 1908 laws did not establish a comprehensive zoning map as
5795-409: The country's largest oil producer, accounting for about one-quarter of the world's petroleum output. By 1900, the population had grown to more than 102,000, putting pressure on the city's water supply . The completion of the Los Angeles Aqueduct in 1913, under the supervision of William Mulholland , ensured the continued growth of the city. Because of clauses in the city's charter that prevented
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#17327811022745890-477: The demise of the city's privately owned electrified rail system , once the world's largest. As a consequence of World War II, suburban growth, and population density, many amusement parks were built and operated in this area. An example is Beverly Park , which was located at the corner of Beverly Boulevard and La Cienega before being closed and substituted by the Beverly Center . In the second half of
5985-617: The difference between the average daily low and the average daily high is over 30 °F (17 °C). The average annual temperature of the sea is 63 °F (17 °C), from 58 °F (14 °C) in January to 68 °F (20 °C) in August. Hours of sunshine total more than 3,000 per year, from an average of 7 hours of sunshine per day in December to an average of 12 in July. Due to
6080-524: The era of Spanish colonization). The historic center of Tongva power in the region was the settlement of Yaanga ( Tongva : Iyáangẚ ), meaning "place of the poison oak ", which would one day be the site where the Spanish founded the Pueblo de Los Ángeles . Iyáangẚ has also been translated as "the valley of smoke". Maritime explorer Juan Rodríguez Cabrillo claimed the area of southern California for
6175-484: The first motel as a new form of accommodation in Memphis , Tennessee in 1952. Although thousands of tourists visited Florida during the early 1900s, it was not until after World War II that the tourist industry quickly became Florida's largest source of income. Florida's white sandy beaches, warm winter temperatures and wide range of activities such as swimming, fishing, boating and hiking all attracted tourists to
6270-482: The first time in the development of tourist attractions, making it possible to distribute hundreds of images showing various places of interest. New York City , Chicago , Boston , Philadelphia , Washington, D.C. , and San Francisco were all attracting numerous tourists by the 1890s. New York's population grew from 300,000 in 1840 to 800,000 in 1850. Chicago experienced a dramatic increase from 4,000 residents in 1840 to 300,000 by 1870. Dictionaries first published
6365-407: The form of moderate rain showers, but sometimes as heavy rainfall during winter storms. Rainfall is usually higher in the hills and coastal slopes of the mountains because of orographic uplift. Summer days are usually rainless. Rarely, an incursion of moist air from the south or east can bring brief thunderstorms in late summer, especially to the mountains. The coast gets slightly less rainfall, while
6460-565: The industry kept the city insulated from much of the economic loss suffered by the rest of the country during the Great Depression . By 1930, the population surpassed one million. In 1932, the city hosted the Summer Olympics . During World War II Los Angeles was a major center of wartime manufacturing, such as shipbuilding and aircraft. Calship built hundreds of Liberty Ships and Victory Ships on Terminal Island, and
6555-521: The inland and mountain areas get considerably more. Years of average rainfall are rare. The usual pattern is a year-to-year variability, with a short string of dry years of 5–10 in (130–250 mm) rainfall, followed by one or two wet years with more than 20 in (510 mm). Wet years are usually associated with warm water El Niño conditions in the Pacific, dry years with cooler water La Niña episodes. A series of rainy days can bring floods to
6650-575: The largest U.S. city to have ever had a woman as mayor. Los Angeles will host the 2028 Summer Olympics and Paralympic Games , making Los Angeles the third city to host the Olympics three times. The city of Los Angeles covers a total area of 502.7 square miles (1,302 km ), comprising 468.7 square miles (1,214 km ) of land and 34.0 square miles (88 km ) of water. The city extends for 44 miles (71 km) from north to south and for 29 miles (47 km) from east to west. The perimeter of
6745-457: The late nineteenth and early twentieth centuries represented a major cultural transformation concerning urban space and leisure natural activity and as an industry. Package tours did not exist until the 1870s and 1880s, when entrepreneurs of various sorts from hotel keepers and agents for railroad lines to artists and writers recognized the profit to be gained from the prospering tourism industry. The rise of locomotive steam-powered trains during
6840-490: The lowest is 28 °F (−2 °C), on January 4, 1949. Within the City of Los Angeles, the highest temperature ever officially recorded is 121 °F (49 °C), on September 6, 2020, at the weather station at Pierce College in the San Fernando Valley neighborhood of Woodland Hills . During autumn and winter, Santa Ana winds sometimes bring much warmer and drier conditions to Los Angeles, and raise wildfire risk. Owing to geography, heavy reliance on automobiles, and
6935-505: The lowlands and mudslides to the hills, especially after wildfires have denuded the slopes. Both freezing temperatures and snowfall are extremely rare in the city basin and along the coast, with the last occurrence of a 32 °F (0 °C) reading at the downtown station being January 29, 1979; freezing temperatures occur nearly every year in valley locations while the mountains within city limits typically receive snowfall every winter. The greatest snowfall recorded in downtown Los Angeles
7030-530: The most common one, / l ɒ s ˈ æ n dʒ ɪ l iː z / , as a spelling pronunciation based on analogy to Greek words ending in -es , "reflecting a time when the classics were familiar if Spanish was not". The settlement of Indigenous Californians in the modern Los Angeles Basin and the San Fernando Valley was dominated by the Tongva (now also known as the Gabrieleño since
7125-546: The mountainous terrain of the surrounding region, the Los Angeles area contains a large number of distinct microclimates , causing extreme variations in temperature in close physical proximity to each other. For example, the average July maximum temperature at the Santa Monica Pier is 70 °F (21 °C) whereas it is 95 °F (35 °C) in Canoga Park, 15 miles (24 km) away. The city, like much of
7220-483: The name's pronunciation with a hard g ( / ɡ / ), reported that there were at least 12 pronunciation variants. In the early 1900s, the Los Angeles Times advocated for pronouncing it Loce AHNG-hayl-ais ( / l oʊ s ˈ ɑː ŋ h eɪ l eɪ s / ), approximating Spanish [los ˈaŋxeles] , by printing the respelling under its masthead for several years. This did not find favor. Since
7315-540: The nation's worst smog, and fourth in both short-term and year-round pollution amounts. Tourism in the United States Employment In the United States, tourism is a large industry that serves millions of international and domestic tourists yearly. Foreigners visit the U.S. to see natural wonders, cities, historic landmarks, and entertainment venues. Americans seek similar attractions, as well as recreation and vacation areas. Tourism in
7410-466: The nineteenth and early twentieth centuries. By the end of the twentieth century, tourism had significantly grown throughout the world. The World Tourism Organisation (WTO, 1998) recorded that, in 1950, arrivals of tourists from abroad, excluding same-day visits, numbered about 25.2 million. By 1997, the figure was 612.8 million. In 1950 receipts from international movements were US$ 2.1 billion, in 1997 they were $ 443.7 billion. It
7505-514: The passage of early national environmental legislation, including the Clean Air Act . When the act was passed, California was unable to create a State Implementation Plan that would enable it to meet the new air quality standards, largely because of the level of pollution in Los Angeles generated by older vehicles. More recently, the state of California has led the nation in working to limit pollution by mandating low-emission vehicles . Smog
7600-423: The pronunciation / l ɔː s ˈ æ n dʒ əl ə s / lawss AN -jəl-əs was established following the 1850 incorporation of the city and that since the 1880s the pronunciation / l oʊ s ˈ æ ŋ ɡ əl ə s / lohss ANG -gəl-əs emerged from a trend in California to give places Spanish, or Spanish-sounding, names and pronunciations. In 1908, librarian Charles Fletcher Lummis , who argued for
7695-543: The rapid growth of the new urban areas: "It is an absorbing thing to watch the process of world-making; both the formation of the natural and the conventional world," wrote English writer Harriet Martineau in 1837. As American cities developed, new institutions to accommodate and care for the insane, disabled and criminal were constructed. The Hartford , Connecticut American School for the Deaf opened in 1817, Ossining , New York state prison (now known as Sing Sing ) in 1825,
7790-563: The rest of the surrounding landscape. Most construction is done in separate units, rather than wall-to-wall . However, Downtown Los Angeles itself has many buildings over 30 stories, with fourteen over 50 stories, and two over 70 stories, the tallest of which is the Wilshire Grand Center . Los Angeles has a two-season semi-arid climate ( Köppen : BSh ) with dry summers and very mild winters, but it receives more annual precipitation than most semi-arid climates, narrowly missing
7885-442: The school board. LAUSD is now committed to full renewable energy by 2035 . Given that LAUSD is the 2nd largest school district in the United States, this success was a big deal. Youth and adults from Southern California then realized this success could be used as a template for other schools and districts trying to transition to renewable energy. That was when the Green Schools Campaign was founded. Since its launch on August 2, 2020,
7980-619: The state. During the 1930s, architects designed Art Deco style buildings in Miami Beach . Visitors are still attracted to the Art Deco district of Miami. Theme parks were soon built across Florida. One of the largest resorts in the world, Walt Disney World Resort , was opened near Orlando, Florida in 1971. In its first year, the 28,000-acre (110 km ) park added $ 14 billion to Orlando's economy. The revolution of air travel between 1945 and 1969 contributed greatly to tourism in
8075-578: The time of the Model T's introduction in 1908, there were 44 US households per car. Early cars were a luxury for the wealthy, but after Ford began to dramatically drop prices after 1913, more were able to afford one. The development of hotels with leisure complexes had become popular in the U.S. during the 1930s. The range of club type holidays available appealed to a broad segment of the holiday market. As more families traveled independently by car, hotels failed to cater to their needs. Kemmons Wilson opened
8170-650: The village of Yaanga . It became a part of the First Mexican Empire in 1821 following the Mexican War of Independence . In 1848, at the end of the Mexican–American War , Los Angeles and the rest of California were purchased as part of the Treaty of Guadalupe Hidalgo and became part of the United States. Los Angeles was incorporated as a municipality on April 4, 1850, five months before California achieved statehood . The discovery of oil in
8265-489: The way Americans perceived, organized, and moved. During the early 20th century, many more people started to travel, partly because of the spread of the automobile. Similarly air travel revolutionized travel during 1945–1969, contributing greatly to tourism in the United States. Purchases of travel and tourism-related goods and services by international visitors traveling in the United States totaled $ 10.9 billion during February 2013. The travel and tourism industries in
8360-531: The word 'tourist' sometime in 1800 , when it referred to those going to Europe or making a round trip of natural wonders in New York and New England . There was not much urban tourism during the 19th century, perhaps because American cities lacked the architecture and art which attracted thousands to Europe. American cities tended to offend the sensitive with ugliness and commercialism rather than inspire awe or aesthetic pleasure. Some tourists were fascinated by
8455-512: The world's largest by revenue; the city is an important site in the history of film . It also has one of the busiest container ports in the Americas. In 2018, the Los Angeles metropolitan area had a gross metropolitan product of over $ 1.0 trillion, making it the city with the third-largest GDP in the world, after New York and Tokyo . Los Angeles hosted the Summer Olympics in 1932 and 1984 , and will also host in 2028 . Despite
8550-464: The world. The hotel industry suffered an estimated $ 700 million loss in revenue during the four days following the attacks. The situation recovered over the following months as the Federal Reserve kept the financial system afloat. The U.S. Congress issued a $ 5 billion grant to the nation's airlines and $ 10 billion in loan guarantees to keep them flying. In the U.S., tourism
8645-635: The worst rush hour periods in the world, according to an annual traffic index by navigation system maker, TomTom . LA drivers spend an additional 92 hours in traffic each year. During the peak rush hour, there is 80% congestion, according to the index. Los Angeles is often characterized by the presence of low-rise buildings, in contrast to New York City. Outside of a few centers such as Downtown , Warner Center , Century City , Koreatown , Miracle Mile , Hollywood, and Westwood , skyscrapers and high-rise buildings are not common in Los Angeles. The few skyscrapers built outside of those areas often stand out above
8740-582: The year, with an average of only 35 days with measurable precipitation annually. Temperatures in the coastal basin exceed 90 °F (32 °C) on a dozen or so days in the year, from one day a month in April, May, June and November to three days a month in July, August, October and to five days in September. Temperatures in the San Fernando and San Gabriel Valleys are considerably warmer. Temperatures are subject to substantial daily swings; in inland areas
8835-502: Was 2.0 inches (5 cm) on January 15, 1932. While the most recent snowfall occurred in February 2019, the first snowfall since 1962, with snow falling in areas adjacent to Los Angeles as recently as January 2021. Brief, localized instances of hail can occur on rare occasions, but are more common than snowfall. At the official downtown station, the highest recorded temperature is 113 °F (45 °C) on September 27, 2010, while
8930-463: Was also during the late 20th century that individual states began to adopt their own tourism slogans , with the aim to increase both domestic and international visitors. Some of these slogans have become iconic to the state itself, such as Michigan's " Pure Michigan " campaign, New York's " I Love New York " merchandise, and Virginia's " Virginia is for Lovers " slogan. Other states adopted slogans based on civilian submissions, such as Pennsylvania holding
9025-502: Was formalized in the Treaty of Guadalupe Hidalgo in 1848, which ceded Los Angeles and the rest of Alta California to the United States. Railroads arrived with the completion of the transcontinental Southern Pacific line from New Orleans to Los Angeles in 1876 and the Santa Fe Railroad in 1885. Petroleum was discovered in the city and surrounding area in 1892, and by 1923, the discoveries had helped California become
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