SYDNEY — Within 30 years, sea levels will rise at least 15 centimetres on several Pacific island nations, regardless of what cuts are made to greenhouse gas emissions, new NASA analysis shows.
Even under a best-case scenario — if global warming is limited to 1.5 degrees Celsius above pre-industrial levels — sea levels will rise 23 centimetres by 2054. The low-lying archipelago has a mean elevation of just two metres above sea level and two of Tuvalu’s nine islands have already largely disappeared.
Within the next 30 years under a business-as-usual scenario, rising sea levels across Kiribati and Fiji will reach 27 centimetres and 28 centimetres, respectively.The researchers drew on flooding data and climate emission projections to determine the sea level inundation.
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