Posted in water facts on February 29, 2008 | Leave a Comment »
1.1 billion people lack access to an improved water supply – approximately one in six people on earth.
2.6 billion people in the world lack access to improved sanitation.
Less than 1% of the world’s fresh water (or about 0.007% of all water on earth) is readily accessible for direct human use.
A person can live weeks without food, [...]
Posted in water filtration on February 28, 2008 | Leave a Comment »
Winner of the extremely cool Innovate or Die: Pedal Powered Machine Contest, bike technology is transformed into something that can save lives.
The Aquaduct looks like a tricycle with a solid trunk area. The trunk contains a tank capable of holding enough water for a family’s daily use. Pedaling sucks water from the rear tank, through [...]
Posted in water filtration, tagged innovation, portable, water filter on February 27, 2008 | Leave a Comment »
The device, called the LifeStraw, was invented by the Vestergaard Frandsen Group. It contains filters that make water teeming with typhoid, cholera and diarrhea-causing microorganisms drinkable.
The filters kill nearly 100 percent of bacteria and nearly 99 percent of the viruses that pass through LifeStraw.
A University of North Carolina at Chapel Hill evaluation tested the device. [...]
Posted in water testing, tagged water quality on February 26, 2008 | Leave a Comment »
Here’s instructions on making a home-made meter, which tests for Total Dissolved Solids (TDS), EC (electrical conductivity), PPM (parts per million).
If you want to go with a store-bought item, here’s a $65 item that works quite well. According to the article, the ideal drinking water range is 0-50. The EPA Secondary Regulations advise a maximum [...]
Posted in tap water, tagged water taste on February 26, 2008 | Leave a Comment »
The Metropolitan Water District of Southern California has the best-tasting water in the world, according to ”blind” taste-testing by a panel of 10 journalists and food critics.
The water originated in Northern California’s Sierra Nevada, was imported through the State Water Project, treated at the Jensen plant with state-of-the-art ozone gas and, as it leaves the plant, receives [...]
Posted in water facts, tagged water's uniqueness on February 25, 2008 | Leave a Comment »
Most liquids contract by about 10% when chilled. Water does too, but only down to a point. Once it is about to freeze, something entirely unpredictable happens — it expands! By the time water solidifies it has almost a tenth more volume than it did as a liquid.
Who cares?
Well, if water did not expand as [...]
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Environmental News from the New York Times
