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This final lesson brings together everything you have studied in the Urban Issues and Challenges unit. It provides a structured revision of key case studies, command word guidance, model answer structures, and practice questions. Use this lesson to consolidate your knowledge and refine your exam technique.
You need to know two city case studies (one LIC/NEE and one HIC) and examples of sustainable urban living. Here is a quick-reference summary of the essential facts:
| Topic | Key Facts |
|---|---|
| Country / classification | Nigeria; NEE |
| Population | ~16–21 million; growing at ~3.2% per year |
| Causes of growth | Rural-to-urban migration, natural increase, international migration |
| Economic importance | ~30% of Nigeria's GDP; Nollywood; Lekki Free Trade Zone |
| Housing challenge | 60–70% live in informal settlements; Makoko (stilt houses) |
| Water/sanitation | ~10% have piped water; open sewage; waterborne disease |
| Transport | Severe congestion (3–4 hour commutes); BRT-Lite; Lagos Rail (Blue Line, 2023) |
| Energy | Unreliable electricity; diesel generators; kerosene for cooking |
| Management | BRT; Eko Atlantic City; LAWMA (waste); slum upgrading by NGOs |
| Topic | Key Facts |
|---|---|
| Country / classification | UK; HIC |
| Population | ~9 million; growing at ~1% per year |
| Causes of growth | International migration; re-urbanisation; natural increase |
| Economic importance | ~23% of UK GDP; global finance (City, Canary Wharf); Tech City |
| Housing challenge | Average house price ~£530,000; homelessness; Grenfell Tower (2017) |
| Inequality | Life expectancy varies by ~10 years between boroughs; child poverty ~37% |
| Transport | Tube (5 million/day); Elizabeth Line (2022); Congestion Charge; ULEZ |
| Environmental challenge | Air pollution (9,400 deaths/year); urban heat island; waste |
| Management | Olympic Park regeneration; ULEZ; affordable housing targets; Green Belt |
| Example | Key Facts |
|---|---|
| Freiburg, Germany | Solar Settlement (energy-plus); Vauban (car-free, Passivhaus, 150 cars/1000); 69% recycling |
| Curitiba, Brazil | BRT (2 million/day); Green Exchange recycling; 52 m² green space/person; flood-defence parks |
| BedZED, London | 100 carbon-neutral homes; solar panels; rainwater harvesting; 81% energy reduction |
| Nottingham, UK | Workplace Parking Levy funds tram; highest public transport usage outside London |
Understanding command words is essential for answering questions correctly:
| Command Word | What It Means | Marks (Typical) |
|---|---|---|
| Define | Give the meaning of a term | 1 |
| State | Give a brief, factual answer | 1 |
| Describe | Say what something is like; give details | 2–4 |
| Explain | Say why or how something happens; give reasons | 4–6 |
| Compare | Identify similarities and/or differences between two things | 4 |
| Suggest | Apply your knowledge to a new or unfamiliar context | 4–6 |
| Evaluate / To what extent | Make a judgement; weigh up both sides; reach a conclusion | 6–9 |
| Discuss | Explore different viewpoints or aspects of an issue | 6–9 |
| Assess | Weigh up the importance, significance, or effectiveness of something | 9 |
Exam Tip: The biggest mistake students make is treating "explain" and "describe" as the same thing. Describe = what; Explain = why/how. If a question says "explain", you must give reasons. Use connectives like because, this means that, as a result of, due to.
Structure: PEE x 2 (Point, Evidence, Explanation — two developed points)
Example question: Explain two ways in which urban growth creates challenges for people living in Lagos. (6 marks)
Model answer structure:
Point 1: One challenge is housing. Evidence: An estimated 60–70% of Lagos's residents live in informal settlements such as Makoko, where houses are built on stilts over the Lagos Lagoon using wood and corrugated iron. Explanation: This means residents lack access to basic services such as clean water, electricity, and sanitation, which increases the risk of waterborne diseases like cholera and reduces quality of life.
Point 2: Another challenge is transport. Evidence: Lagos is one of the most congested cities in the world, with commuters regularly spending 3–4 hours each way travelling to work. Explanation: This is because the road network has not kept pace with the city's rapid growth, and public transport options are limited. Congestion reduces economic productivity, increases air pollution, and has a negative impact on the physical and mental health of commuters.
Structure: PEE x 3 + Conclusion (three developed points with a final judgement)
These questions typically use the command words evaluate, to what extent, assess, or discuss. They are marked using levels of response:
| Level | Marks | Description |
|---|---|---|
| Level 1 | 1–3 | Basic statements; limited or no examples; no clear structure |
| Level 2 | 4–6 | Some explanation and evidence; partial use of case study detail |
| Level 3 | 7–9 | Detailed, well-structured answer; specific case study evidence; clear evaluation/judgement |
Exam Tip: To reach Level 3, you must include specific case study detail (place names, statistics, named examples) and reach a clear conclusion. Do not just list points — connect them and weigh them up.
Use these questions to test your knowledge. For each, plan your answer before writing, and aim to include specific case study detail.
"Urban growth creates more challenges than opportunities for people living in cities in LICs and NEEs." To what extent do you agree? Use a case study of a major city in an LIC or NEE. (9 marks)
Evaluate the strategies used to make urban living more sustainable. Use one or more named examples. (9 marks)
"Managing urban transport is the key to solving the problems of cities in HICs." Discuss. (9 marks)
Question: "Urban growth creates more challenges than opportunities for people living in cities in LICs and NEEs." To what extent do you agree? Use a case study of a major city in an LIC or NEE. (9 marks)
Model answer:
Lagos, Nigeria's largest city with a population of approximately 16–21 million, demonstrates that urban growth creates both significant opportunities and serious challenges. The extent to which challenges outweigh opportunities depends on which group of residents is being considered.
Challenges: One major challenge is housing. An estimated 60–70% of Lagos's residents live in informal settlements such as Makoko, where homes are built on stilts over the Lagos Lagoon. These settlements lack access to clean water, electricity, and sanitation, exposing residents to waterborne diseases like cholera. Furthermore, the Lagos state government has carried out demolitions of informal settlements — such as at Otodo-Gbame in 2017 — displacing thousands of residents without adequate relocation.
Another challenge is transport. Lagos is one of the most congested cities in the world, with commuters often spending 3–4 hours each way travelling to work. This is because the city's road network has not kept pace with rapid population growth, and public transport options remain limited. Although the BRT system (launched 2008) has reduced journey times by ~30% on some routes, it only covers a fraction of the city.
Opportunities: However, urban growth also creates significant opportunities. Lagos generates approximately 30% of Nigeria's GDP and is the centre of the Nollywood film industry, which employs over 1 million people and generates ~$600 million annually. The Yaba tech hub — known as "Silicon Lagoon" — is a growing centre for start-ups and innovation. For many migrants from rural Nigeria, Lagos offers higher wages, better education (e.g., the University of Lagos), and greater social mobility than their home regions.
Conclusion: Overall, I partially agree with the statement. For the wealthiest residents, Lagos's growth has created enormous economic opportunities. However, for the majority — who live in informal settlements without basic services — the challenges of urban growth are severe and daily. The balance between opportunities and challenges in Lagos is therefore heavily shaped by inequality. While the city is implementing management strategies (BRT, Eko Atlantic City, LAWMA), these have not yet reached the scale needed to transform the lives of most residents.
Exam Tip: Notice how the model answer uses specific place names (Makoko, Otodo-Gbame, Yaba), statistics (60–70%, 30%, $600 million), and a clear conclusion that answers the question directly. This is what a Level 3 answer looks like.
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