Unit 1-Introduction Material Flashcards

1
Q

Who is Jane Goodall?

A

Scientists who works with apes and originates in Winnipeg.

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2
Q

When did human population growth really take off?

A

The 20th century.

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3
Q

In 1950 we had a world population of 3 billion. What has the population increased to today?

A

8 billion.

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4
Q

World population will climb over 9.8 billion in what year?

A

2050

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5
Q

In what year was the world population 1 billion?

A

1800

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6
Q

80% of Canadians and Americans live in what kind of area?

A

Cities and suburbs.

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7
Q

What kind of curve was the back half of the 20th century?

A

J-curve.

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8
Q

What is a “population crash”?

A

When the world’s resources can no longer support the current population.

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9
Q

How many planet earths would be required if we all lived the way North Americans live?

A

5 earhs.

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10
Q

How many times faster are humans causing animals to go extinct compared to their natural rate?

A

1000 times their natural rate.

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11
Q

What mineral are cell phones primarily made of? What is this minerals full name:

A

Coltan- full name Columbite-Tantalite

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12
Q

Which country holds 80% of the worlds supply of Coltan?

A

The Democratic Republic of Congo.

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13
Q

True or False: Coltan is cold resistant and can hold a high electrical charge.

A

False: Coltan is heat resistant and can hold a high electrical charge.

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14
Q

True or False: We are starting to see a decrease in the number of children a family will have on average.

A

True

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15
Q

What is the largest issue pertaining to the argument we are at the point where would could change to renewable energy?

A

It would be a huge financial loss to oil companies.

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16
Q

There is a direct correlation between oil and what?

A

Our ecological footprint.

17
Q

Which country has the largest ecological footprint?

A

Qatar

18
Q

1 in 5 people have no access to what kind of water?

A

Clean water.

19
Q

2 in 5 people have no adequate what?

A

Sanitation

20
Q

True or False: 50% of the Earth’s land surface is unchanged by humans.

A

False: 17% of the land surface is unchanged by humans.

21
Q

In a percentage how much of the Earth’s forests are gone?

A

50%.

22
Q

In the past 5 years how much have our CO2 emissions increased?

A

17 ppm

23
Q

What accounts for 51% of the worlds greenhouse gas emissions?

A

Livestock and their by-products.

24
Q

How many farm animals are raised a year for food?

A

70 billion

25
Q

In the past 650 000 years, methane concentrations are at an all time____.

A

High

26
Q

What is Nitrous Oxide?

A

It is the by-product of feedlots, chemical manufacturing plants, auto emissions, and synthetic nitrogen fertilizers.

27
Q

Since 1750 how much have nitrous oxide concentrations increased by?

A

36%

28
Q

How many years was the Earths climate stable for?

A

11 000 years

29
Q

What is the Earth’s average temperature?

A

14 degrees Celsius

30
Q

What has the Earths global temperature increased by? What is it predicted to increase by by the end of the century?

A

0.7 degrees Celsius- predicted to increase by between 1 and 6 degrees Celsius.

31
Q

100 million people live within how many feet of the sea level?

A

3 feet.

32
Q

How many species have become extinct due to ocean pollution?

A

1 million

33
Q

What species are undergoing their highest bleaching and dying rate since 1980?

A

Coral Reefs