There will be more pollution.将有更多的污染
People in the world will be smarter than now.世界上的人们将比现在更加聪明（精明）
The science will be more advanced.科技会更先进.
The transport will be faster and more convenient.交通会更加方便快速.
The relationship between countries will be more complex.国家间的关系将会更复杂.
Many people think that there will be no lives on the earth in the future.许多人认为未来地球上将没有生命.