Is Earth Overpopulated BBC Documentary Flashcards

1
Q

What is Earth’s current population size?

A

7 billion

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2
Q

What was the average number of babies that women of Bangladesh had in 1970 and how long was the child predicted to live?

A

7 babies per woman with a lifespan of less than 50 years

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3
Q

What is the average number of babies that women of Bangladesh have now and how long is the child predicted to live?

A

2.2 babies per woman with a lifespan of 70 years

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4
Q

In 1963, what made the biggest differences in population size and number of offspring a woman had?

A

Developed countries had less babies per woman

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5
Q

Globally from 1963 to 2012, babies born per woman changed from 5 per woman to ____ per woman in 2012.

A

2.5

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6
Q

What has helped to decrease the number of children born per woman globally?

A

Preconceived ideas and education

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7
Q

List two things that have helped save the life of children (increase their lifespan) in Bangladesh

A

Better basic health and improved hygiene

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8
Q

How many people are predicted to be on Earth before the growth rate starts to flatten?

A

11 billion

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9
Q

How can the population of Earth increase if the number of children being born is less?

A

We’ve increased the length of life

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10
Q

In the year 2100, which countries of the world will have the smallest population? Largest?

A

Europe and the Americas will have the smallest populations

Africa and Asia will have the largest populations

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11
Q

How has life in Mozambique improved for the people there, list some examples?

A

New hospital and a booming economy (new industry new jobs)

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12
Q

How do the people making $100 per day view the people below them?

A

It seems like everyone else is living on the same amount of money

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13
Q

How do the people making $1 per day view the people above them?

A

They know how much better life would be if they could manage to even make $10 a day

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14
Q

What does literate mean? And how many of the world’s current population of adult’s are literate?

A

Literate- can read and write

80% of the world’s population is literate

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15
Q

In 2012, which country ( blue on graph) has the most people that live in extreme poverty?

A

Africa

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16
Q

What could help Africa’s agriculture?

A

Technology

17
Q

What does a good life mean for most people in the world?

A

More machines and much more use of energy

18
Q

How much energy used today is still harvested from fossil fuels?

A

80%

19
Q

What is the correlation between use of fossil fuels and wealth?

A

Increased wealth = Increased use of fossil fuels

20
Q

What is the conclusion regarding the overpopulation of the Earth?

A

The richest have to change their lifestyle, overpopulation has already been taken care of

21
Q

What are the two most important factors driving human population growth?

A

Child survival, birth rate, education, health care

22
Q

What were some reasons for major population declines in the 20th century?

A

World wars and diseases

23
Q

Do you think there are any limitations to population growth that were not mentioned in this video?

A

Space- people will die off if there isn’t enough space on Earth for them to live

Food- shortage of food, famines

Disease- new diseases develop and kill us all

Natural disasters

Pollution

24
Q

Is there any benefit to human population growth?

A

Anthropocentrist- More humans = more chance of finding a way to fix climate change

Biocentrist- No, we’re already destroying the planet

Ecocentrist- No, we’re already destroying the planet; not sustainable