Ecological footprint: Do we fit on our planet?

Sustainability Illustrated
26 Nov 201306:14

Summary

TLDRThis video script explores the concept of ecological footprint, illustrating how humanity's resource consumption outpaces Earth's regeneration capacity, requiring 1.5 planets. It explains Earth Overshoot Day and the disparity between countries' footprints and biocapacities, highlighting the ecological debt of developed nations. The script emphasizes the uneven and inefficient global consumption, urging viewers to calculate their own footprint and consider lifestyle changes for a more sustainable future.

Takeaways

  • 🌏 The ecological footprint represents the amount of land and water needed to produce the resources we consume and to absorb our waste.
  • 📅 Earth Overshoot Day marks the date when humanity has consumed all the resources that the Earth can regenerate in a year.
  • 🔢 The Global Footprint Network calculates that in 2013, Earth Overshoot Day was on August 19th, indicating the point at which we started overconsuming our annual resources.
  • 💡 Ecological footprint and biocapacity can be compared to assess if our consumption is sustainable and balanced.
  • 🇨🇦 Canada, despite being a large country with a high biocapacity, is considered an 'ecological creditor' but still has a high per capita footprint.
  • 🇺🇸 The USA has a higher ecological footprint than its biocapacity, making it an 'ecological debtor', which is common among developed countries.
  • 🇨🇩 The Democratic Republic of the Congo, although not economically rich, has a positive ecological balance due to its high biocapacity relative to its footprint.
  • 📉 The world's average biocapacity has been systematically decreasing, indicating a growing gap between resource availability and consumption.
  • 💸 A small percentage of the world's population consumes a disproportionate amount of resources, highlighting the issue of uneven resource distribution.
  • 🏡 Individual lifestyle choices, such as reducing meat consumption, driving less, and living in energy-efficient homes, can significantly lower one's ecological footprint.
  • 🔑 The ecological footprint is a useful tool for understanding our impact on the planet and assessing our pressure on its resources.
  • 🔮 The script encourages viewers to calculate their own ecological footprint and consider the implications of their lifestyle on sustainability.

Q & A

  • What is an ecological footprint?

    -An ecological footprint measures how much land and water area is necessary to produce the resources we use and to absorb the waste we generate. It includes things like energy, food, land for settlements, timber, and seafood.

  • What does it mean to say we need '1.5 planets' to sustain our current lifestyle?

    -It means that it takes about a year and a half for our planet to regenerate the resources we consume in a single year. This indicates that our consumption rate is faster than the Earth's ability to regenerate those resources.

  • What is Earth Overshoot Day?

    -Earth Overshoot Day is calculated by the Global Footprint Network and represents the day when humanity has used up all the resources that the Earth can regenerate in one year.

  • What is the difference between ecological footprint and biocapacity?

    -Ecological footprint is the amount of natural resources required to support a person's lifestyle, while biocapacity is the amount of biologically productive area available to provide the resources we use and to absorb our waste.

  • What does it mean for a country to be an 'ecological creditor'?

    -A country is considered an 'ecological creditor' if its biocapacity is greater than its ecological footprint, meaning it has more natural resources available than it consumes.

  • How does Canada's ecological footprint compare to its biocapacity?

    -In 2007, Canada's ecological footprint was 7.01 global hectares per person, while its biocapacity was 14.92 global hectares per person, making it an ecological creditor country with a surplus of 7.91 global hectares per person.

  • Why is the USA considered an 'ecological debtor'?

    -The USA is considered an 'ecological debtor' because its ecological footprint of 8 global hectares per person exceeds its biocapacity of 3.87 global hectares per person, resulting in a deficit of -4.13.

  • What does the ecological footprint of the Democratic Republic of the Congo reveal about the country?

    -Despite being an economically poor country, the Democratic Republic of the Congo has a small ecological footprint of 0.75 and a biocapacity of 2.76, making it an ecological creditor country with a surplus of 2.01.

  • How does global consumption affect the Earth's biocapacity?

    -Global consumption is unevenly distributed and inefficient, leading to a systematic decrease in the Earth's biocapacity, which is the ability of ecosystems to regenerate the resources we use.

  • What percentage of the world's population consumes the majority of its resources?

    -17% of the world's population consumes 80% of its resources, indicating a significant imbalance in global resource consumption.

  • How can an individual calculate their personal ecological footprint?

    -Individuals can calculate their personal ecological footprint using tools provided by the Global Footprint Network, which takes into account factors such as lifestyle choices like diet, transportation, and housing.

  • What is the significance of understanding one's ecological footprint?

    -Understanding one's ecological footprint is significant as it helps individuals assess their impact on the planet and encourages more sustainable living practices to ensure the Earth's resources are used responsibly.

Outlines

00:00

🌏 Understanding Our Ecological Footprint

The script introduces the concept of the ecological footprint, which measures the land and water area required to produce the resources we consume and absorb the waste we generate. It explains the term 'Earth Overshoot Day', highlighting the day when humanity has used up all the resources the Earth can regenerate in a year. The video uses Canada as an example of an 'ecological creditor', having more biocapacity than its footprint, contrasting it with the USA, which is an 'ecological debtor'. It emphasizes the disparity in global consumption, with a small percentage of the world's population using a large portion of resources. The script also encourages viewers to calculate their personal ecological footprint and reflects on the implications of our lifestyle choices on the planet's sustainability.

05:02

📊 Key Insights on Global Resource Consumption

This paragraph summarizes the main points of the video script, emphasizing that humanity's resource consumption exceeds what Earth can provide. It points out that the core issue is not a lack of resources but rather the uneven distribution and inefficiency of global consumption. The ecological footprint is presented as a valuable tool for assessing the pressure we exert on the planet, helping to maintain a broader perspective on sustainability challenges. The script teases the next video, which will use the ecological footprint along with other elements to create a metaphor for our sustainability issues, inviting viewers to stay tuned for further insights.

Mindmap

Keywords

💡Ecological Footprint

The ecological footprint is a measure of the amount of land and water area required to sustain the resources a human population uses and to absorb the waste it generates. It is a critical concept in the video, illustrating the impact of human consumption on the planet. The script uses the ecological footprint to compare the resources used by different countries and individuals to the biocapacity available, showing the imbalance between consumption and the planet's ability to regenerate.

💡Global Footprint Network

The Global Footprint Network is an international organization that calculates and promotes awareness of the ecological footprint. In the script, it is mentioned as the authority that calculates Earth Overshoot Day, a date that symbolizes when humanity has used up the Earth's annual resources for that year. This organization plays a vital role in the video's narrative by providing data and context for the ecological footprint discussion.

💡Earth Overshoot Day

Earth Overshoot Day is the date when humanity's consumption of natural resources for the year outpaces what Earth can regenerate in that year. The script refers to this concept to emphasize the unsustainable pace of resource use, highlighting the day in 2013 when we 'finished using our resources for the year,' which was August 19th.

💡Biocapacity

Biocapacity refers to the amount of biologically productive area that is available to provide for the ecological needs of humans, including the resources they use and the waste they produce. In the video, biocapacity is used to compare with the ecological footprint to determine whether a country or the world as a whole is living within its means or overconsuming.

💡Ecological Creditor

An 'ecological creditor' is a term used in the script to describe a country or region that has a higher biocapacity than its ecological footprint, meaning it has more natural resources available than it consumes. Canada is given as an example of an ecological creditor country, with a biocapacity exceeding its footprint, indicating a surplus of resources.

💡Ecological Debtor

Conversely, an 'ecological debtor' is a country that consumes more resources than its biocapacity can provide. The United States is cited in the script as an example of an ecological debtor, with its ecological footprint exceeding its biocapacity, indicating a deficit in resource use.

💡Resource Consumption

Resource consumption is the use of natural resources such as energy, food, and materials for human activities. The script discusses how the uneven and inefficient consumption of resources contributes to the ecological footprint, emphasizing the need for a more sustainable approach to resource use.

💡Sustainability Challenges

Sustainability challenges refer to the difficulties and obstacles that humanity faces in achieving a balance between meeting current needs without compromising the ability of future generations to meet their own needs. The script mentions combining the ecological footprint with other factors to create a metaphor for these challenges, indicating the complexity of achieving sustainable living.

💡Lifestyle

Lifestyle is the way in which a person or group lives, including behaviors, habits, and consumption patterns. The script highlights the personal ecological footprint and how individual lifestyle choices, such as eating less meat, driving less, and living in energy-efficient homes, can significantly reduce one's ecological impact.

💡Inequality in Resource Use

Inequality in resource use is the uneven distribution of natural resources among different segments of the global population. The script points out that 17% of the world's population consumes 80% of the world's resources, indicating a significant disparity in the access to and use of resources.

💡Efficiency

Efficiency in the context of the script refers to the effectiveness with which resources are used and waste is managed. The video emphasizes that the main problem with resource use is not just the scarcity but also the inefficiency and wastefulness of our consumption patterns.

Highlights

Introduction to the concept of ecological footprint and its importance in understanding our impact on the planet.

The revelation that it takes 1.5 planets to support humanity's resource use and waste absorption annually.

Explanation of Earth Overshoot Day, which marks when humanity has used up the Earth's annual resource budget.

The analogy of ecological footprint to a bank account, illustrating the concept of living beyond our means.

Definition of ecological footprint, including the types of resources it measures.

Introduction of biocapacity, the amount of productive area available to provide resources and absorb waste.

The ecological credit and debit concept based on the comparison between a country's footprint and biocapacity.

Canada's status as an 'ecological creditor' with a detailed calculation of its ecological footprint and biocapacity.

The USA's ecological footprint and biocapacity, highlighting its status as an 'ecological debtor'.

Contrasting ecological footprints of different countries, including the Democratic Republic of the Congo.

Trend analysis showing the systematic decrease in the world's average biocapacity over time.

The correlation between wealth and ecological footprint, indicating larger footprints in wealthier populations.

The disproportionate consumption of resources by a small percentage of the world's population.

The individual ecological footprint and its calculation on the Global Footprint Network website.

Personal example of reducing ecological footprint through lifestyle choices such as diet and transportation.

The Ecological Footprint as a tool for understanding our relationship with the planet and assessing sustainability.

Key points summarizing the importance of ecological footprint in addressing global resource consumption and distribution.

A teaser for the next video, which will use the ecological footprint to create a metaphor for sustainability challenges.

Transcripts

play00:00

Hi Alex here! What is our ecological  footprint? Today I am going to use  

play00:05

illustrations to explain what it is and how  we fit on pour planet. So, let’s get drawing!

play00:10

This is what we need to provide the resources  we use and to absorb the waste we produce: 1.5  

play00:20

planets. That means that it takes about a year and  a half for our planet to regenerate what we use in  

play00:27

a year. The Global Footprint Network calculates  every year Earth Overshoot Day and in 2013 it was  

play00:36

on August 19th: that was the day when we finished  using our resources for the year. Think about it  

play00:44

as a bank account: for the first 7 months and 20  days we lived on our annual revenue. After that,  

play00:50

we spent our capital. Humm. Seems like  there is something wrong with that math…

play00:55

Our ecological footprint measures how much  land and water area we need to produce the  

play01:03

resources we use (things like energy,  food, land for settlements, timber,  

play01:09

seafood) and to absorb the waste we generate.  Our biocapacity is the amount of biologically  

play01:19

productive area available to provide the resources  we use and to absorb our waste. So we can compare  

play01:26

footprint and biocapacity to see if we are well  balanced or not. Let’s dig into that a little…

play01:33

I live in Canada. Our ecological footprint in  2007 (published in 2010) was 7.01 meaning that  

play01:44

to provide what we consume every year, we need  7.01 global hectares per person (gha/pers). But  

play01:51

we live in a huge country and our biocapacity  was actually 14.92 gha/pers so if we do the  

play02:00

math 14.92-7.01=7.91 so technically we are an  “ecological creditor” country. Does that mean  

play02:10

that it is okay to consume as much as we do? Well,  not really. If the whole world lived like us,  

play02:18

we would need more than 4 planets to provide  the resources we use and to absorb our waste,  

play02:24

because not every nation has so much land, such  huge forests and so many other natural resources.

play02:32

The USA has a footprint of 8 and a  biocapacity of 3.87, so 3.87-8=-4.13:  

play02:43

they are a big “ecological debtor” country. This  is actually the case of most developed countries.

play02:50

Among the smaller footprints is the Democratic  Republic of the Congo with 0.75. Although it  

play02:59

is not an economically rich country at  all, it has a biocapacity of 2.76 so you  

play03:05

see that it is also an ecological  creditor country (2.76-0.75=2.01).

play03:11

The Global Footprint Network published the  footprint in low-, middle- and high-income  

play03:18

countries between 1961 and 2008. Here  is the world’s average biocapacity.  

play03:27

What do you notice? It’s systematically  decreasing. So the story basically reads,  

play03:34

the wealthier people are, the bigger  their footprint. When we can afford it,  

play03:40

it’s hard to resist I guess! This is confirmed  by the fact that 17% of the world’s population  

play03:48

consumes 80% of the world’s resources. So the main  problem is not the absolute lack of resources;  

play03:57

it is the fact that our global consumption  is extremely uneven and inefficient.

play04:04

These were footprints for Nations but you can also  measure the ecological footprint of an individual,  

play04:11

a city, a business or all of humanity to assess  our pressure on the planet. I calculated my own  

play04:19

personal footprint on the Global Footprint  Network website and it is around 5.5. Why is  

play04:28

it significantly less than Canada’s footprint  of 7? Well, mostly thanks to my lifestyle:  

play04:34

I rarely eat meat, drive very little,  live in a highly energy efficient house,  

play04:40

and so on. You can go and calculate your  own if you like, I included the link below.

play04:51

The Ecological Footprint is a really useful way  of understanding our relationship to the planet,  

play04:56

and how the ways in which we live  impact our ability to survive and  

play05:01

thrive as a race over time. Try  it – you may find it interesting!

play05:06

As usual here are the key points to keep in mind: 

play05:12

Humanity uses more resources  than the Earth provides. 

play05:16

The main problem is not the absolute lack  of resources; it is the fact that our global  

play05:22

consumption is unevenly distributed and favours  only a few. It’s also extremely inefficient. 

play05:30

Ecological footprint is a great tool  to assess the pressure we put on the  

play05:34

planet. It helps us keep the big picture  in mind and not get lost in the details.

play05:41

In the next video, we will use the  ecological footprint combined with  

play05:45

a few other things to create a  powerful metaphor describing our  

play05:49

sustainability challenges. So stay  tuned and thank you for watching.

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相关标签
Ecological FootprintResource ManagementSustainabilityGlobal OvershootEco-CreditorEco-DebtorBiocapacityConsumption PatternsEnvironmental ImpactLifestyle ChoicesSustainability Challenges
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