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Climate change in Tuvalu is particularly threatening for the long-term habitability of the island state of Tuvalu. This is because the average height of the islands is less than 2 metres (6.6 ft) above sea level, with the highest point of Niulakita being about 4.6 metres (15 ft) above sea level. Between 1971 and 2014, during a period of global warming, Tuvalu islands have increased in size, according to aerial photography and satellite imagery. Over four decades, there was a net increase in land area in Tuvalu of 73.5 ha (2.9%), although the changes were not uniform, with 74% of land increasing in size and 27% of land decreasing in size. The sea level at the Funafuti tide gauge has risen at 3.9 mm per year, which is approximately twice the global average.

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  • Climate change in Tuvalu is particularly threatening for the long-term habitability of the island state of Tuvalu. This is because the average height of the islands is less than 2 metres (6.6 ft) above sea level, with the highest point of Niulakita being about 4.6 metres (15 ft) above sea level. Between 1971 and 2014, during a period of global warming, Tuvalu islands have increased in size, according to aerial photography and satellite imagery. Over four decades, there was a net increase in land area in Tuvalu of 73.5 ha (2.9%), although the changes were not uniform, with 74% of land increasing in size and 27% of land decreasing in size. The sea level at the Funafuti tide gauge has risen at 3.9 mm per year, which is approximately twice the global average. Tuvalu could be one of the first nations to be significantly impacted by rising sea levels due to global climate change. Not only could parts of the island be flooded but the rising saltwater table could also destroy deep rooted food crops such as coconut, pulaka, and taro. Research from the University of Auckland suggests that Tuvalu may remain habitable over the next century. However, as of March 2018, Prime Minister Enele Sopoaga stated that Tuvalu is not expanding and has gained no additional habitable land. Sopoaga has also said that evacuating the islands is the last resort. The installed PV capacity in Funafuti in 2020 was 735 kW compared to 1800 kW of diesel (16% penetration). The South Pacific Applied Geoscience Commission (SOPAC) suggests that, while Tuvalu is vulnerable to climate change, environmental problems such as population growth and poor coastal management also affect sustainable development. SOPAC ranks the country as extremely vulnerable using the Environmental Vulnerability Index. (en)
  • El cambio climático en Tuvalu es particularmente amenazante para la habitabilidad a largo plazo del estado insular de Tuvalu. Esto se debe a que la altura media de las islas es inferior a los 2 metros (6,6 pies) sobre el nivel del mar. El punto más alto es Niulakita, con unos 4,6 metros (15,1 pies) sobre el nivel del mar. Entre 1971 y 2014, durante un período de calentamiento global, las islas de Tuvalu aumentaron de tamaño, según fotografías aéreas e imágenes satelitales.​ Durante cuatro décadas, hubo un aumento neto en la superficie terrestre en Tuvalu de 73,5 ha (2,9 %), aunque los cambios no fueron uniformes, con ciertas secciones aumentando su tamaño de la tierra un 74 % y con una disminución en otras partes de su tierra del 27 %. El nivel del mar en el mareógrafo de Funafuti ha subido en 3,9 mm por año, que es aproximadamente el doble del promedio mundial.​ Tuvalu podría ser una de las primeras naciones en verse significativamente afectada por el aumento del nivel del mar debido al cambio climático global.​ No sólo podrían inundarse partes de la isla, sino que el aumento del nivel de agua salada también podría destruir cultivos alimentarios de raíces profundas como el coco, la y el taro.​​ El aumento del nivel del mar también genera escasez de agua potable.​ Una investigación de la Universidad de Auckland sugiere que Tuvalu puede seguir siendo habitable durante el próximo siglo. Sin embargo, en marzo de 2018, el primer ministro Enele Sopoaga declaró que Tuvalu no se está expandiendo y no ha ganado más tierra habitable.​​ Sopoaga también ha dicho que evacuar las islas es el último recurso. ​ (es)
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  • Climate change in Tuvalu is particularly threatening for the long-term habitability of the island state of Tuvalu. This is because the average height of the islands is less than 2 metres (6.6 ft) above sea level, with the highest point of Niulakita being about 4.6 metres (15 ft) above sea level. Between 1971 and 2014, during a period of global warming, Tuvalu islands have increased in size, according to aerial photography and satellite imagery. Over four decades, there was a net increase in land area in Tuvalu of 73.5 ha (2.9%), although the changes were not uniform, with 74% of land increasing in size and 27% of land decreasing in size. The sea level at the Funafuti tide gauge has risen at 3.9 mm per year, which is approximately twice the global average. (en)
  • El cambio climático en Tuvalu es particularmente amenazante para la habitabilidad a largo plazo del estado insular de Tuvalu. Esto se debe a que la altura media de las islas es inferior a los 2 metros (6,6 pies) sobre el nivel del mar. El punto más alto es Niulakita, con unos 4,6 metros (15,1 pies) sobre el nivel del mar. Entre 1971 y 2014, durante un período de calentamiento global, las islas de Tuvalu aumentaron de tamaño, según fotografías aéreas e imágenes satelitales.​ Durante cuatro décadas, hubo un aumento neto en la superficie terrestre en Tuvalu de 73,5 ha (2,9 %), aunque los cambios no fueron uniformes, con ciertas secciones aumentando su tamaño de la tierra un 74 % y con una disminución en otras partes de su tierra del 27 %. El nivel del mar en el mareógrafo de Funafuti ha subid (es)
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  • Climate change in Tuvalu (en)
  • Cambio climático en Tuvalu (es)
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