Some young people are leaving the countryside to live in cities and towns leaving only old people in the countrysides. What problem does this cause? What can be done to solve the problem
We should fix the traffic and transportation by making everyone lives in the cities not suburbs or countrysides. What to extent do you agree or disagree?
More and more plastic is polluting cities, countrysides and oceans. What are the problems caused by plastic waste? What measures should be taken to solve it?