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

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

21
Q

what percent of human beings live in cities

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

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
what is the energy usage of washing machines and dryers
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
how can we reduce emissions and energy usage from laundry
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
how much water is used in laundry
laundry accounts for 15-40% of water consumption in a home
28
microplastics in laundry
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
how much plastic per load of laundry
700,000 synthetic microfibers per load
30
embedded carbons
emissions used to manufacture machines
31
how much of the global co2 emissions comesfrom the manufacture of steel
4/5 - 8%
32
dryers using a heat pump technology reduces energy use by how much compared to regular dryers
28%
33
how did the amount of co2 in the atmosphere change since we started digging and burning fossil fuels
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
3/4 of greenhouse hasses released into the atmosphere by humans was put there in what timeline
the last 60 years a single lifetime
35
how much of the co2 content in the atmosphere is the develiped world repsonsible for
russia, europe, us 2/3 they only make up 1/8 of population
36
poorest 3 billion contribute to how much of the emissions
5% of co2 emissions
37
how much has the global temp increasedby
1.8 degrees
38
in 2015 how rapidly was co2 amount rising
hald a percent per year
39
in 2018 how much did co2 rise by
2.7%
40