§4.1: can the earth cope? - (2)

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§4.1: can the earth cope?

Today

• Introduction
• Explanation §4.1


• Assignments 

If the entire world lived like the average Dutchman, Earth Overshoot Day would be in...

1. February
2. August
3. May
4. November

Today

• Introduction
• Explanation §4.1


• Assignments

Learning goals 

• You know what carrying capacity means
  
• You understand how the carrying capacity of the Earth is endangered and why we need to live sustainably
  

Vocabulary 

Natural resources	Natuurlijke hulpbronnen
Ecological footprint	Ecologische voetafdruk
Carrying capacity	Draagkracht
Population projections	Bevolkingsprognose
Sustainable	Duurzaam
Prosperity	Welvaart

Natural resources = products that people can use from nature 

When will the natural resources run out?

No unlimited supply of resources

• Some are renewable: food and wood
  
• Some are non-renewable: gold and petroleum (aardolie)
  

Renewable natural resources

Non-renewable natural resources

Wood

Petroleum

Coal 

Food

Gold

Carrying capacity = the Earth's ability to support all people's lives

Help!

With all the world's citizens together, we are using so many natural resources that we are exceeding the carrying capacity of the Earth

Carrying capacity 

• Only 1.8 hectares are available for each world citizen
  
• Earth Overshoot Day: the day that we have consumed what the Earth can produce on an annual basis 

Learning goals 

• You know what carrying capacity means
  
• You understand how the carrying capacity of the Earth is endangered and why we need to live sustainably
  

Today

• Introduction
• Explanation §4.1


• Assignments 

Start homework

• Read §4.1
• Make assignment 1, 2, 3 and 4

§4.1: can the earth cope?

Today

• Recap
• Explanation §4.1
• Calculate ecological footprint


• Start homework

Recap

Write down the meaning of the following terms:

• Earth overshoot day
• Carrying capacity 
• Renewable resources
• Non-renewable resources 

Today

• Recap
• Explanation §4.1
• Calculate ecological footprint


• Start homework

Learning goals 

• You know what ecological footprint means
  
• You understand how the carrying capacity of the Earth is endangered and why we need to live sustainably
  
• You can read the ecological footprint of different countries from a map
  

Ecological footprint

• The amount of land a person needs to live their life 
  
• In The Netherlands we use 6(!) hectares per person

World population

Population projection: by the year 2100 there will be 11 billion of us on this planet

Population projections means....

1. how many people live on earth (nowadays)
2. how many people used to live on earth
3. the predictions about the future population
4. the development of the population in the past

Not only population growth, but also...

Growing prosperity and  changing lifestyle lead to a larger ecological footprint 

We need to be sustainable with what we have!

Dan kunnen onze toekomstige generaties ook gebruik van maken!

'Sustainable': what do you think about?

Sustainable: 

We do not use the natural resources on Earth faster than that they are replaced

Sustainable

Sustainable

Not sustainable

Not sustainable

Learning goals 

• You know what ecological footprint means
  
• You understand how the carrying capacity of the Earth is endangered and why we need to live sustainably
  
• You can read the ecological footprint of different countries from a map
  

Today

• Recap
• Explanation §4.1
• Calculate ecological footprint
• Start homework

https:

How big is your ecological footprint?

Name at least three things that you can do to live a more sustainable life

Today

• Introduction
• Explanation §4.1
• Calculate ecological footprint


• Start homework

Start homework

• Read §4.1
• Make assignment 5, 6 and 7