Overpopulation

​Lesson Objectives

• To explain what we mean by birth and death rates.
  

• To explain factors that affect the birth and death rates.
  

• To explain the effect that differing birth and death rates will have on the overall population.

Open Ended

Identify 5 sparsely and 5 densely populated countries

​Most densely populated countries

​ https://www.statista.com/statistics/264683/top-fifty-countries-with-the-highest-population-density/

​8th Billion Baby

​

Baby Vinice was officially pronounced by the UN as the 8 billionth baby to be born in the world. She was born on 15th November 2022 in the Philippines.

​What number person are you?

​

www.worldpopulationhistory.org/my-population-number/

Open Ended

What number person were you in the world?

What about your parents?

Grandparents?

Open Ended

1.Calculate the population growth rate for each country.

2.How does the population growth rate differ between the UK and Kenya?

Open Ended

What would happen if nobody ever died?

​Overpopulation

​So, what's overpopulation? It's when there are too many people in one place, and it's tough for the environment to handle everyone's needs

Open Ended

Describe what is happening to world population

​Causes of overpopulation

​

1. High Birth Rates:

   • Lack of family planning: Some communities may not have access to or knowledge about family planning.

   • Cultural or religious beliefs: Certain cultures encourage larger families.

​Causes of overpopulation

1. Reduced Death Rates:

   • Advances in healthcare: Improved medical facilities and treatments.

   • Improved sanitation and nutrition: Leading to longer life expectancy.

​Causes of overpopulation

Migration:

People moving to urban areas in search of better economic opportunities can contribute to population concentration.

Labelling

Label the regions

Drag labels to their correct position on the image

Russia

China

  USA and Canada

-Sub-Saharan Africa

Japan

Central and Eastern Europe

Central America

Open Ended

 Which regions have the highest rate of population growth?

​Where is overpopulation happening?

​

Generally higher level of population growth are happening in developing or poorer countries, and lower levels of growth, population balance- or even decline- are happening in developed or richer countries.

Categorize

Options (9)

Services such as healthcare and education cannot cope, so not everyone has access to them

Children have to work to support their families, so they miss out on education

There are not enough houses for everyone, leading to makeshift housing and health problems.

There are food shortages if the country cannot grow or import enough food.

There is an increase in poverty because people are born into families that are already poor.

There are not enough jobs for the number of people, so unemployment is high

There is an increase in the amount of waste and landfill sites.

There is an increase in pollution as more people produce more greenhouse gas emissions.

More natural resources are used up, such as trees chopped for firewood.

What are the impacts of overpopulation?

Social Impacts (people)

Economic Impacts (money)

Environmental Impacts

​Effects of overpopulation

​

Environmental Impact of Overpopulation

• Deforestation:

  • Overpopulation can lead to clearing land for housing and agriculture, contributing to deforestation.

• Loss of Biodiversity:

  • The pressure on ecosystems from overpopulation can result in the extinction of various species.

• Climate Change:

  • The higher carbon footprint associated with overpopulation contributes to climate change

​Effects of overpopulation

​

• Poverty:

  • Overpopulation often leads to a higher number of people living in poverty due to resource scarcity.

• Unemployment:

  • The job market may struggle to keep up with population growth, leading to increased unemployment.

• Strain on Infrastructure:

  • Overpopulation can overload healthcare, education, and transportation systems, impacting overall infrastructure.

​Is it all bad?

Poll

Do you think the earth is overpopulated?

• Yes

• No

• Not sure

Open Ended

What can we do about overpopulation?

​Solutions to overpopulation?

​

1. Education:

   • Promoting awareness about family planning to everyone.

2. Economic Development:

   • Creating job opportunities through economic development to reduce unemployment.

3. Government Policies:

   • Implementing measures such as incentives and regulations to control population growth.

​Lesson Objectives

• To explain what we mean by birth and death rates.
  

• To explain factors that affect the birth and death rates.
  

• To explain the effect that differing birth and death rates will have on the overall population.

​Homework