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"Humanity faces near certainty of eventual sea level rise of at least Eemian proportions, 5–9 m, if fossil fuel emissions continue on a business-as-usual course.... It is unlikely that coastal cities or low-lying areas such as Bangladesh, European lowlands, and large portions of the United States eastern coast and northeast China plains could be protected against such large sea level rise. .... Given the inertia of the climate and energy systems, and the grave threat posed by continued high emissions, the matter is urgent and calls for emergency cooperation among nations."

Jim Hansen, et al. from Ice melt, sea level rise and superstorms: evidence from paleoclimate data, climate modeling, and modern observations that 2⁰C global warming is highly dangerous. Read the whole study at http://www.atmos-chem-phys-discuss.net/15/20059/2015/acpd-15-20059-2015.pdf.