In our geography tour around the world this year, we have reached the United States. Last week, we looked at the Great Lakes. We discussed what makes them so great, how pollution and other factors have affected them, and what steps have been taken to clean up this freshwater ecosystem.
This week, we are looking at urban sprawl, the constant expansion of urban areas as they shrink surrounding rural areas. We look at what has caused several cities to expand, its effects on the area, and what steps are being taken to slow the urbanization of communities. This chapter is especially interesting as the city of Portland is one of the featured cities in our study.
Next, we will start a project exploring some of our nation's National Parks.
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