video notes Flashcards
what percent of methane emissions comes from beef production
28%
how much of the gas produced by the US in now fracked
2/3
how can we end fracking
through voting and legislation
bring its attention to politicians
energy and transport accounts for how much of the global carbon emissions
2/3
what impact do cars have on an average americans carbon footprint
it makes up 1/4 of our carbon footprint
what is going on in coppenhagen with their transportation system
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
how much co2 is released by cars in US
4.6 metric tons of CO2 per car
compare the size of an american house in 1950 to now
in 1950 the average size was 1000 sqft
today it is 2500 sqft
over two and a half times larger
1/5 of houses are how large
3000 sqft
1/10 of houses are how large
4000 sqft
how do japans houses compare in size
they are 1/10 the size of american homes
around 400 sq ft for four to five members
what percent of our emissions come from cooling and heating our homes
17%
what percent of our emissions come from energy related uses in the homes
15%
total carbon emissions from our homes
32%
what percent of emissions come from cars and flying
28%
what percent of emissions come from our relentless acquisition of stuff
26%
what is responsible for 86% of our personal carbon footprints
transportation, housing, and stuff
what percent of emissions come from our food
14-16%
how much gas is released in making a typical house
80 metric tons of co2 or equivalent gasses
the average american is expending ___ times their annual allotment for their homes
2.5
what percent of human beings live in cities
55%
what is a solution to the amount of co2 released by each individual from their homes
move to/ live in micro homes or co-housing units
doing laundry is responsible for __ of total residential emissions
8%
the amont of emissions from doing laundry is equivalent to the total energy needs of how many us homes
21 million us homes
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
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)
how much water is used in laundry
laundry accounts for 15-40% of water consumption in a home
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
how much plastic per load of laundry
700,000 synthetic microfibers per load
embedded carbons
emissions used to manufacture machines
how much of the global co2 emissions comesfrom the manufacture of steel
4/5 - 8%
dryers using a heat pump technology reduces energy use by how much compared to regular dryers
28%
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
3/4 of greenhouse hasses released into the atmosphere by humans was put there in what timeline
the last 60 years
a single lifetime
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
poorest 3 billion contribute to how much of the emissions
5% of co2 emissions
how much has the global temp increasedby
1.8 degrees
in 2015 how rapidly was co2 amount rising
hald a percent per year
in 2018 how much did co2 rise by
2.7%
