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Choosing veggie meals over meals with meat can result in some big time resource savings. To make those savings more relatable, we’ve equated them to things you might recognize, like a parking space, or Niagara Falls or the moon. To find out how we define these comparisons, see the links below.

ADULTS ONLY

We based our Life Cycle Assessment on data from adults 18+ only, so all of our impact data reflects only the adults of a given population. Here’s how we got to those adult population numbers.

U.S. - 245,201,076.

We used the 2014 estimated population figure from the Census Bureau and subtracted their 23.1% under 18 estimated population.
http://www.census.gov/quickfacts/table/PST045215/00

Average State - 4,770,175.

We averaged the 18+ populations from each US state provided by the Census.
https://www.census.gov/popest/data/state/asrh/2014/index.html

Average City - 124,839.

We averaged the populations of every US city with over 50,000 residents and then subtracted the nationwide under 18 ratio of 23.1%.
https://www.census.gov/popest/data/cities/totals/2014/index.html

VOLUME COMPARISONS IN GALLONS

Shower

The EPA defines an average American shower as 8 minutes long using 18 gallons of water.
https://www3.epa.gov/watersense/docs/ws_shower_better_learning_resource_508.pdf

Load of Laundry

The U.S. Geological Survey claims most newer washing machines require around 25 gallons of water per load.
http://water.usgs.gov/edu/qa-home-percapita.html

Daily Water Use (individual)

The Blue Planet Network cites US water consumption at 176 gallons a day.
http://www.mltmua.com/conservation/your-respect.pdf

Lap Pool

SwimEx estimates traditional single lane lap pool volume at 8,900 to 10,000 gallons, or 9,450 gallons.
http://www.swimex.com/lap-swimming-pools-vs-swimex-swim-in-place-pools/

Capitol Rotunda

Capitol.gov lists the volume of the Rotunda at 1.3 million cubic feet, or 9.7 million gallons.
https://www.aoc.gov/facts/capitol-hill

Niagara Falls

The American side of Niagara Falls dumps 150,000 gallons a second, or 540 million gallons an hour.
http://www.niagarafallslive.com/Facts_about_Niagara_Falls.htm

Golf Courses

The US Golf Association states that their sponsored courses (16,797 in all) use more than 2.08 trillion gallons of water, collectively, per day.
https://www.usga.org/content/dam/usga/pdf/Water%20Resource%20Center/how-much-water-does-golf-use.pdf

Daily Water Use (nationwide)

The American Water Works Association estimates the monthly US water consumption at 3.9 trillion gallons, which comes to roughly 130 billion gallons a day.
http://www.awwa.org/publications/journal-awwa/abstract/articleid/15467.aspx

DISTANCE COMPARISONS IN MILES

ISS

Via a chart describing the mean orbital distance of the International Space Station over the last year, we found that the average ISS orbit distance to be 249 miles above the ground.
http://www.heavens-above.com/IssHeight.aspx

Texas

The Texas Almanac measures the longest straight line from east to west across at Texas at 773 miles.
http://texasalmanac.com/topics/environment/environment

Distance between LA to NYC

Google Maps measures the distance from Los Angeles to NYC. as 2777 miles.
See on Google Maps

To the Moon and Back

The distance traveled in a trip "to the moon and back" is equal to twice the distance of the moon from the earth (238,800 miles), plus one half the circumference of the moon (6,784 miles) - 484,384 miles. This is because a space craft would generally rely on the gravity of the moon to sling shot it back to Earth.
http://io9.gizmodo.com/5984252/and-now-for-a-sense-of-scale-a-map-of-the-us-overlaid-on-the-moon

Mars

Universe Today makes mention of the longest and smallest distances from the Earth to Mars. We're using the closest expected approach with Mars in 2016, at 46.8 million miles.
http://www.universetoday.com/14824/distance-from-earth-to-mars/

Saturn

Space.com defines the furthest and nearest distances between Saturn and Earth. We averaged the two to arrive at 873,000,000 miles.
http://www.space.com/18477-how-far-away-is-saturn.html

US Miles per Week

The US Dept. of Transportation estimates 60.5 trillion miles are travelled each week by all US drivers combined.
http://www.fhwa.dot.gov/policyinformation/travel_monitoring/15dectvt/15dectvt.pdf

AREA COMPARISONS IN ft2

Parking Space

The Dept. of Tranportation lists standard parking space dimensions as 20 ft by 8 ft, or 160 square feet.
http://mutcd.fhwa.dot.gov/HTM/2003r1/part3/fig3b-18_longdesc.htm

Tennis Court

The area of a regulation tennis court is 78 ft by 36 ft, or 2,808 square feet, including doubles lanes.
http://www.courtdimensions.net/tennis-court/index.php

Size of Central Park

Central Park’s website states the Parks land mass is measured to be 843 acres or 36,721,080 square feet.
http://centralpark.org/faq/

National Mall and Parks

The National Park Conservancy Association lists the National Mall and Memorial Parks at "over 43,560,000 square feet."
https://www.npca.org/parks/national-mall-and-memorial-parks

Manhattan

New World states that Manhattan's land mass is measured to be 640,088,000 square feet.
http://www.newworldencyclopedia.org/entry/Manhattan

Rhode Island

Rhode Island's .gov website lists the "area" of the entire state, including waterways, at 33,844,000,000 square feet.
http://sos.ri.gov/divisions/Civics-And-Education/RI-History/ri-facts-figures