I think another 30 years ahead is flooded problems occurred because global warming is melting polar ice and causes the flood every man wish to phayop for their height, and the economic problems that are beyond toleration.
I think the next 30 years will cause flooding because global warming is causing the polar ice caps melt and flood Evacuated all people need to stay on high, and the problem of the poor economy.
I think the other 30 years is a problem because global warming up to the ice flood and flood ขั้วโลกละลาย world people have immigrated to higher ground and problem in economic tread bad.