video notes Flashcards

1
Q

what percent of methane emissions comes from beef production

A

28%

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2
Q

how much of the gas produced by the US in now fracked

A

2/3

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3
Q

how can we end fracking

A

through voting and legislation
bring its attention to politicians

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4
Q

energy and transport accounts for how much of the global carbon emissions

A

2/3

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5
Q

what impact do cars have on an average americans carbon footprint

A

it makes up 1/4 of our carbon footprint

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6
Q

what is going on in coppenhagen with their transportation system

A

up to 62% of their people commute to work or school by bike
a reduction of 3.8 billion pounds of CO2 compared to the US

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7
Q

how much co2 is released by cars in US

A

4.6 metric tons of CO2 per car

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8
Q

compare the size of an american house in 1950 to now

A

in 1950 the average size was 1000 sqft
today it is 2500 sqft
over two and a half times larger

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9
Q

1/5 of houses are how large

A

3000 sqft

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10
Q

1/10 of houses are how large

A

4000 sqft

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11
Q

how do japans houses compare in size

A

they are 1/10 the size of american homes
around 400 sq ft for four to five members

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12
Q

what percent of our emissions come from cooling and heating our homes

A

17%

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13
Q

what percent of our emissions come from energy related uses in the homes

A

15%

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14
Q

total carbon emissions from our homes

A

32%

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15
Q

what percent of emissions come from cars and flying

A

28%

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16
Q

what percent of emissions come from our relentless acquisition of stuff

A

26%

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17
Q

what is responsible for 86% of our personal carbon footprints

A

transportation, housing, and stuff

18
Q

what percent of emissions come from our food

A

14-16%

19
Q

how much gas is released in making a typical house

A

80 metric tons of co2 or equivalent gasses

20
Q

the average american is expending ___ times their annual allotment for their homes

A

2.5

21
Q

what percent of human beings live in cities

A

55%

22
Q

what is a solution to the amount of co2 released by each individual from their homes

A

move to/ live in micro homes or co-housing units

23
Q

doing laundry is responsible for __ of total residential emissions

A

8%

24
Q

the amont of emissions from doing laundry is equivalent to the total energy needs of how many us homes

A

21 million us homes

25
Q

what is the energy usage of washing machines and dryers

A

drying clothes requires 2 times more energy than washing machines
70% of energy used in energy goes to drying clothes
19% of energy goes to heating the water for washing machines
11% goes into the electricity running the washing machine

26
Q

how can we reduce emissions and energy usage from laundry

A

do full loads only and limit the nubmer of loads you do
cold washes
use clotheslines instead of dryers
living in co-housing communities limits number of washers/dryers
wash clothes during the day when solar energy is available (use renewable energy)

27
Q

how much water is used in laundry

A

laundry accounts for 15-40% of water consumption in a home

28
Q

microplastics in laundry

A

when synthetic textiles are washed they breakdown plastic fibers
1 of four primary sources of microplastics making up more than three quarters of its development
78% of microplastic pollution in the ocean comes from laundry

29
Q

how much plastic per load of laundry

A

700,000 synthetic microfibers per load

30
Q

embedded carbons

A

emissions used to manufacture machines

31
Q

how much of the global co2 emissions comesfrom the manufacture of steel

A

4/5 - 8%

32
Q

dryers using a heat pump technology reduces energy use by how much compared to regular dryers

A

28%

33
Q

how did the amount of co2 in the atmosphere change since we started digging and burning fossil fuels

A

for most of human history co2 content in the atmosphere was held at about 280 parts per million. once we started digging, it increased significantly. in 1959 it increased to 312 parts per million and in 2019, 415 parts per million

34
Q

3/4 of greenhouse hasses released into the atmosphere by humans was put there in what timeline

A

the last 60 years
a single lifetime

35
Q

how much of the co2 content in the atmosphere is the develiped world repsonsible for

A

russia, europe, us
2/3
they only make up 1/8 of population

36
Q

poorest 3 billion contribute to how much of the emissions

A

5% of co2 emissions

37
Q

how much has the global temp increasedby

A

1.8 degrees

38
Q

in 2015 how rapidly was co2 amount rising

A

hald a percent per year

39
Q

in 2018 how much did co2 rise by

A

2.7%

40
Q
A