2 degrees, 6metres

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The most recent projections from the Intergovernmental Panel on Climate Change indicate that if emissions continue on their current trend, sea levels could continue to rise another 1m by the end of this century.
By 2050, 26 major US cities will face an “emerging flooding crisis.” Globally, storm damage could cost cities from Hong Kong to Dhaka to New York trillions annually unless adaptation measures are taken. According to Climate Central estimates, 150 million or more people are currently living on land that will either be submerged or exposed to chronic flooding by 2100.
But sea level rise isn’t going to just turn off after 2100 and according to climate scientists, current greenhouse gases are baking much more than 1m of sea level rise into the system. The world’s oceans, ice sheets and climate are constantly performing an intricate dance. The current rate of warming could have them dancing a different routine forcing ice sheets to accommodate by melting, and sea levels in turn to rise.
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Even if world manages to limit global warming to 2°C – the target number for current climate negotiations – sea levels may still rise at least 6 metres above their current heights, radically reshaping the world’s coastline and affecting millions in the process.
That finding comes from a new paper published on Thursday in Science that shows how high sea levels rose the last time carbon dioxide levels were this high.
That was about 3 million years ago, when megasharks swam the oceans, and sea levels stood at least 6m above their current height
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