Scientists have found that global sea levels have risen sharply to the desired level.
They point out that millions of people will be affected.
Previously, scientists have said that by the year 2000 the global sea level will increase by a maximum of a meter.
However, a recent study showed that there is a potential for an increase in sea-water levels equal to twice the amount.
The reason for the melting of polar ice is due to the rapid rise of global warming.
The high level of carbon dioxide emissions is leading to global warming.
By increasing sea levels, millions of people around the world are in danger of displacement, according to scientists.
Also, the Intergovernmental Panel on Climate Change estimates that the sea level rise is one of the most controversial issues currently confronted.