What problems make it difficult for some countries to set aside land for parks?
Some countries have difficulty setting aside land for parks because it is to expensive.
What challenges do countries face in protecting preserved land?
It is hard for countries to balance land use in protected areas. Many people want the land to be off limits, when others argue people should be able to enjoy the land.
Has the world done a good job of setting aside unique lands for preservation?
I think they have done a pretty good job. I think there is still more land to protect, but the world has done pretty good so far.
Why do you think there are so many large cities in the world?
I believe there are so many large cities because as the population grows, more and more cities are built to house all of these people. And because the world population is so big, there are many cities for the citizens to live in.
Why do you think there are so many urban areas of more than 5 million people in Asia?
I think there are so many urban areas in Asia because Asia has such a huge population. To house all of these people, many urban areas are built.
What challenges do you think metropolitan areas face because of this growth?