Sarnia vs Whanganui

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Sarnia is a city in Southwestern Ontario, Canada, with a 2016 population of 71,594. It is the largest city on Lake Huron and in Lambton County. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes where Lake Huron flows into the St. Clair River, which forms the Canada–United States border, directly across from Port Huron, Michigan. The site's natural harbour first attracted the French explorer La Salle. He named the site "The Rapids" on 23 August 1679, when he had horses and men pull his 45-ton barque Le Griffon north against the nearly four-knot current of the St. Clair River.This was the first time that a vessel other than a canoe or other oar-powered vessel had sailed into Lake Huron, and La Salle's voyage was germinal in the development of commercial shipping on the Great Lakes. Located in the natural harbour, the Sarnia port remains an important centre for lake freighters and oceangoing ships carrying cargoes of grain and petroleum products. The natural port and the salt caverns that exist in the surrounding areas, together with the oil discovered in nearby Oil Springs in 1858, led to the dramatic growth of the petroleum industry in this area.

Because Oil Springs was the first place in Canada and North America to drill commercially for oil, the knowledge that was acquired there resulted in oil drillers from Sarnia travelling the world teaching other enterprises and nations how to drill for oil.The complex of refining and chemical companies is called Chemical Valley and located south of downtown Sarnia. In 2011 the city had the highest level of particulates air pollution of any Canadian city, but it has since dropped to rank 30th in this hazard. About 60 percent of the particulate matter comes from industries and polluters in the neighbouring United States.Lake Huron is cooler than the air in summer and warmer than the air in winter; therefore, it moderates Sarnia's humid continental climate, making temperature extremes of hot and cold less evident. In the winter, Sarnia occasionally experiences lake-effect snow from Arctic air blowing across the warmer waters of Lake Huron and condensing to form snow squalls over land.

Source: Wikipedia

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Whanganui (; Māori: [ɸaŋanui]), also spelled Wanganui, is a city in the Manawatū-Whanganui region of New Zealand. The city is located on the west coast of the North Island at the mouth of the Whanganui River, New Zealand's longest navigable waterway. Whanganui is the 19th most-populous urban area in New Zealand and the second-most-populous in Manawatū-Whanganui, with a population of 42,200 as of June 2020.Whanganui is the ancestral home of Te Āti Haunui-a-Pāpārangi and other Whanganui Māori tribes. The New Zealand Company began to settle the area in 1840, establishing its second settlement after Wellington. In the early years most European settlers came via Wellington. Whanganui greatly expanded in the 1870s, and freezing works, woollen mills, phosphate works and wool stores were established in the town. Today, much of Whanganui's economy relates directly to the fertile and prosperous farming hinterland.

Like several New Zealand urban areas, it was officially designated a city until an administrative reorganisation in 1989, and is now run by a District Council. Although the city was called Wanganui from 1854, in February 2009, the New Zealand Geographic Board recommended the spelling be changed to "Whanganui". In December 2009, the government decided that while either spelling was acceptable, Crown agencies would use the Whanganui spelling.On 17 November 2015, Land Information New Zealand (LINZ) announced that Wanganui District would be renamed to Whanganui District. This changed the official name of the District Council, and, because Whanganui is not a city but a district, the official name of the urban area as well.

Source: Wikipedia