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Sea Level Raise
a) In 1998, 46 million people live in areas at risk of flooding (BBC News, 1997)
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.
c) Scientists estimate that a sea rise of only 50 centimetres would increase the number of people at risk to 92 million.