how is tuvalu affected by global warming?
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Tuvalu islands have increased in size between 1971 and 2014, during a period of global warming. Over 4 decades, there had been a net increase in land area in Tuvalu of 73.5 ha (2.9%), although the changes are not uniform, with 74% increasing and 27% decreasing in size.
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Rising global temperatures causes sea levels to rise, increases the number of extreme weather events such as floods, droughts and storms, and increases the spread of tropical diseases. ... At the same time, cities are a key contributor to climate change, as urban activities are major sources of greenhouse gas emissions.
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According to the US Fish and Wildlife Service climate change in the Pacific Islands will cause "continued increases in air and ocean surface temperatures in the Pacific, increased frequency of extreme weather events, and increased rainfall during the summer months and a decrease in rainfall during the winter months".
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At the front line of climate change, the ocean, the coastlines and coastal communities are being disproportionately impacted by increasing carbon dioxide (CO2) and other greenhouse gas (GHG) emissions from human activities. The ocean plays a central role in regulating the Earth's climate.
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Consequences of Carbon Emissions for Humans Trapped heat causes increases in global temperatures, directly affecting animal food sources and habitats. The greenhouse effect is directly linked to global warming. Causes of global warming include burning fossil fuels, volcanic eruptions and sunspots.
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The rising concentration of carbon dioxide in the atmosphere is driving up ocean surface temperatures and causing ocean acidification. Although warming and acidification are different phenomena, they interact to the detriment of marine ecosystems.
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Ocean acidification impacts important sectors of the US economy, like fisheries and tourism, it affects food supply, and makes global warming worse by hindering the oceans' ability to absorb CO2. For communities that depend on coastal resources, their way of life and cultural identity are on the line.
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Global warming is causing sea levels to rise, threatening coastal population centers. Many pesticides and nutrients used in agriculture end up in the coastal waters, resulting in oxygen depletion that kills marine plants and shellfish. Factories and industrial plants discharge sewage and other runoff into the oceans.
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Volcanic activity today may pale in comparison to the carbon dioxide emissions we are generating by burning fossil fuels for energy, but over the course of geologic time, volcanoes have occasionally contributed to global warming by producing significant amounts of carbon dioxide and other greenhouse gases.
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Global warming is increasing the incidence of drought, which dries up water holes. Higher temperatures may produce an increasing number of wildfires that alter desert landscapes by eliminating slow-growing trees and shrubs and replacing them with fast-growing grasses.
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The warming causes ocean waters to give up CO2 — because CO2 is less soluble in warmer water. This strongly enhances the warming, which reduces the ice and snow, which causes more warming, which increases the CO2, leading to even more warming.
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Globalization affects climate change negatively by promoting global production and international trade. A predominant factor in the emission of GHGs is its direct relation to world gross domestic product, not only in manufacturing but also industrial agriculture and transportation.
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Melting of polar icecaps, Increased frequency of droughts, hurricanes and cyclones and forest fires, Decreased availability of water in tropical areas, Increased crop yields, Climate change will have serious effects on world food production, Increasing CO₂ in the oceans and Genetic engineering research is ongoing to ...
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Effects of Climate Change on Marine Life. Marine life faces challenges from warming waters and ocean acidification. Warming waters alter the latitude and depth at which certain species are able to survive, so many species are moving deeper or father north in the Atlantic to find cold water.
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Global warming affects agriculture in a number of ways, including through changes in average temperatures, rainfall, and climate extremes (e.g., heat waves); changes in pests and diseases; changes in atmospheric carbon dioxide and ground-level ozone concentrations; changes in the nutritional quality of some foods; and ...
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Among them, four atoll nations: Kiribati, Tuvalu, the Maldives, and the Marshall Islands, are at greatest risk. According to IPCC statistics, global temperatures could exceed a 3°C above pre-industrial temperature increase by 2100 with global-mean sea level rise projected between one and four feet or higher.
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global warming The gradual increase in the overall temperature of Earth's atmosphere due to the greenhouse effect. ... greenhouse effect The warming of Earth's atmosphere due to the buildup of heat-trapping gases, such as carbon dioxide and methane.