The United Nations International World Water Day is on March 22nd


Change Begins with a Drop.

Water Technologies

Since 1993, International World Water Day has been

held annually on March 22nd by the United Nations

as a means of focusing attention on the importance

of fresh water and advocating for the sustainable

management of fresh water resources.

Of course, personally, we can all adopt small

changes in behavior, to help make a big difference

this World Water Day (and everyday). Siemens is

also committed to creating the technologies to

help communities and industries make big changes

in how they consume, manage and recycle fresh

water, to make a real and lasting impact on water

conservation and accessibility across the globe.

Water Facts

Things you should know about the world’s fresh

water supply – our most precious natural resource:

n Up to three quarters of the Earth’s surface

is covered with water but less than 0.03% is

drinkable.

n Producing 35 cubic feet (1 cubic meter) of

drinkable water through desalination reverse

osmosis (the process of forcing salty water

through a membrane to remove the salt) requires

about 2 kWh of electricity. Although that’s down

from 5 to 10 kWh 20 years ago, it is still energy

intensive.

n Urbanization and demographic changes pose

serious challenges to secure water supplies for

future generations, as humans use more and

more water each year.

n Today, 1.2 billion people are without clean

drinking water and 2.4 billion people are not

connected to wastewater systems.

n The United Nations estimates more than 3 billion

people may suffer from water shortages by the

year 2025.

n As population grows, the demand on our

water resources is challenged to keep up.

n More than a billion people in water poor

regions around the globe survive on

the same amount used to flush a toilet

or take a 5-minute shower, just over 1

gallon (5 liters) of water each day.

n Each day almost 10,000 children under

the age of 5 in Third World countries die

as a result of illnesses contracted by use

of impure water.

n Even though each person only requires

about 13 gallons (48 liters) of water on

a daily basis, individuals in the United

States use an average of 132 gallons (500

liters), those in Canada an average of 79

gallons (300 liters) and those in England

an average of 52 gallons (200 liters).

n To manufacture new cars 39,000 gallons

(148,000 liters) of water are used per car.

n A 60-Watt incandescent bulb can

consume up to 6,000 gallons (22,710

liters) of water a year.

n Water and energy are critical, mutually

dependent resources – the production

of energy requires large volumes of

water and water treatment requires large

amounts of energy.

 

 

© 2011 Siemens Water Technologies Corp

CO-WWD-FCTSHT-0111

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