Environmental Science: Population Quiz

What is a megacity?

A city with a population of over 10 million people.

What are five megacities?

Tokyo, Paris, London, New York, Los Angeles

What are major ecological impacts of megacities?

Resource Use, Pollution, Urban Heat Island Effect, Habitat Loss, Waste Management Challenges

Resource Use

Huge amounts of food, water, and energy are needed to sustain the population.

Pollution

More cars, factories, and waste lead to air and water pollution

Urban Heat Island Effect

Dense infrastructure traps heat, making megacities hotter than surrounding areas

Waste Management Challenges

Megacities generate massive amounts of trash and sewage that strain the environment.

Push factors

reasons people leave a place

Pull factors

reasons people are attracted to a new place

Push factors (emigration)

Lack of Jobs/poverty, Political instability, war, or persecution, Environmental problems, Lack of education or healthcare, Overpopulation in rural areas

Pull factors (immigration)

Better job opportunities and higher wages, Political stability and safety, Access to quality education and healthcare, Family reunification, Higher standard of living / modern infrastructure