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Sea Level Raise
d) A sea level rise of 1 metre would put 118 million people at risk. Scientists believe that there will be a sea level of 50 centimetres over the next 40 to 100 years.
b) This amount could increase rapidly if sea levels rose.
a) In 1998, 46 million people live in areas at risk of flooding (BBC News, 1997)
c) Scientists estimate that a sea rise of only 50 centimetres would increase the number of people at risk to 92 million.