"More and more people are moving into cities around the world—and those cities are getting bigger and bigger. The urbanization shift could wreck the environment, unless we plan the transition."
This article talks about what can happen when too many people head to one location. Students can read this article, summarize the problems, and suggest methods to decrease some of the negative impacts of urbanization. Look at the carbon cycle; find how that cycle relates to what's being described here. Determine the interactions between living things within the ecosystem and how those interactions are affected by urbanization.
S.07.PS.02a Describe how living things interact with each other and their environments.
S.07.PS.03a Compare the processes through which matter cycles through the environment.
S.07.PS.03b Analyze the process of carbon, nitrogen, water cycle.