Friday, September 10, 2010
Cool Technology of the Week
I often write about green technologies and my goal to live on the planet earth with minimal impact on the environment.
Probably the most important aspect of life on our planet is access to clean, fresh water. Yet, millions die every year because of contaminated water supplies.
What can we do, especially in economies without the resources to build infrastructure?
Here's a simple idea - using clays to create filters. Potters for Peace teaches local artisans how to make clay filters and use them to purify water for millions of people.
Here's a simple "tea bag" that employs activated carbon to filter water directly from the bottle.
Inexpensive, sustainable, reliable ways to filter contaminated water.
Posted by John Halamka at 3:00 AM