Urban issues & challenges
⏱ ~3-min readAceMark Guide
What this topic is really about
Sustainable development focuses on balancing economic growth, social equity, and environmental protection to ensure future generations can still thrive. Avoiding all new building (option A) is incorrect because sustainable cities must still develop and adapt to population changes, just in an eco-friendly way.
Push factors are negative conditions that drive people away from rural areas, such as poor agricultural yields and a lack of basic services. In contrast, high wages and easy jobs (options A and D) are pull factors that attract people to cities rather than pushing them away from their homes.
See the mechanism
A megacity is defined by the United Nations as an urban agglomeration with a total population exceeding 10 million people. A diagram for this topic isn't available yet — the worked example below walks the same reasoning step by step.
An exam-style question, fully explained
A city with population over 10 million is classified as a:
- Identify what the question tests: A city with population over 10 million is classified as a:.
- A megacity is defined by the United Nations as an urban agglomeration with a total population exceeding 10 million people.
- While a conurbation also describes a large urban area, it refers specifically to merged towns and cities that may not necessarily reach this 10 million threshold.
Traps the examiner sets
- Avoiding all new building (option A) is incorrect because sustainable cities must still develop and adapt to population changes, just in an eco-friendly way.
Test your recall
Answer each from memory — you'll see instantly whether you're right and why.
Run a focused 10-question mini-mock on Urban issues & challenges and see it stick.
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