Mega Cities: Challenges and Solutions

Understanding urbanisation in the 21st century Exploring global urban challenges Discovering innovative solutions

What is a Mega City?

Urban area with over 10 million inhabitants Continuous built-up area Economic and cultural centres Rapid population growth

Global Mega Cities Map

Tokyo: The World's Largest Mega City

37.4 million people in Greater Tokyo Area Includes Tokyo, Yokohama, and surrounding areas Economic powerhouse of Japan Efficient public transport system

Characteristics of Mega Cities

High population density Diverse economic activities Cultural melting pots Complex infrastructure networks Mix of modern and traditional areas

Discussion Question

What advantages might living in a mega city offer? Think about job opportunities, cultural experiences, and services

Challenge 1: Overcrowding

Limited living space per person Strain on housing supply Traffic congestion Pressure on public services

Challenge 2: Air Pollution

Vehicle emissions Industrial pollution Construction dust Health impacts on residents

Challenge 3: Infrastructure Strain

Overloaded transport systems Water supply shortages Electricity blackouts Waste management issues

Social Inequality in Mega Cities

{"left":"Wealthy districts with modern amenities\nLuxury shopping centres and restaurants\nPrivate healthcare and education\nGated communities","right":"Informal settlements (slums)\nLimited access to clean water\nPoor sanitation facilities\nUnemployment and poverty"}

Case Study Activity

Choose one mega city from the map Research one major challenge it faces Identify what causes this challenge Present your findings to the class

Solution 1: Smart Urban Planning

Integrated transport systems Mixed-use developments Green building standards Sustainable city design