"Understanding Your Home" by Building Inspector Mark Visser
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Water usage. Water conservation. Why we need to be "green"

CONSERVING WATER
Good water is a precious resource, essential to our survival. It is important to care about using water wisely so there will be enough for future generations. By using water wisely, you help ease the burden on water treatment plants, storage and distribution facilities. That means utilities can delay building new facilities, which can be expensive. Reducing the amount of water consumed in the region allows money that would have otherwise been spent on expanding water supply infrastructure to be used for other projects such as drinking water treatment.

WHY SAVE WATER?
There are basically four main reasons why we should conserve water.

- Save money
- Save energy
- Protect the environment
- Ensure water for future generations


Watery Facts





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Water usage. Water conservation. Why we need to be "green"

INDUSTRIAL

It takes about 4 liters of water to process a quarter pound of hamburger.
It takes 6,000 liters of water to process 120 liters of beer.
It takes 148,000 liters of water to manufacture a new car, including tires.
Ten liters of water are needed to refine one liter of gasoline.
1.5 million liters of water are needed to produce a single day's supply of U.S. newsprint.
It takes about 3 million liters of water to grow an acre of cotton.

EARTH
80 percent of the earth's surface is water.
97 percent of the earth's water is seawater.
2 percent of the earth's water supply is locked in icecaps and glaciers.
1 percent of the earth's water is available for drinking.
Water covers nearly three-fourths of the earth's surface.
The overall amount of water on our planet has remained the same since creation.
The five Great Lakes form the largest fresh surface water system in the world.
If all the water in the Great Lakes were spread evenly across the continental US, the ground would be covered with almost 3 meters of water.
Most of the earth's surface water is permanently frozen or salty.
Every 24 hours about 1 million cubic kilometers of water evaporates from the sea and the land
Of all the earth's water, 97 percent is salt water found in oceans and seas.
Over 90% of the world's supply of fresh water is located in Antarctica.
The world's rainiest place is Mt. Wai'ale'ale, Kauai, Hawaii. During an average year, there are only 15 dry days.

OUR FOOD
An egg is about 74 percent water.
A watermelon is about 92 percent water.
A piece of lean meat is about 70 percent water.
You can drink more than 4,000 glasses of tap water for the price of a six-pack of soda.
About 26,000 liters of water are required to grow a day's food for a family of four.
It takes about 23 liters of water to grow a single serving of lettuce. Almost 10,000 liters are required to produce a single serving of steak.
A tomato is 95 percent water.

OUR BODIES
The human brain is composed of 95% water; blood is 82% water; the lungs are nearly 90% water.
A person can live without food for about a month, but only about a week without water.
About 60 percent of the weight of the human body is water.

WATER TRANSFORMATION
There are billions of water molecules in a single water drop.
Once evaporated, a water molecule spends ten days in the air. At room temperature water is a liquid.
When heated to 100 degrees Celsius it becomes a gas. (steam).
When cooled below zero degrees Celsius it becomes a solid (ice).
Water is heavier as a liquid than as a solid which is why ice floats.





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