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"Fogcatchers": a new source for potable water
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1-31-2008 10:22 PM
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In remote Chilean villages where fresh water is often scarce and contaminated, a simple new technology -- mesh sheets strung between posts -- captures condensation from coastal fog, providing an abundant and reliable source of cheap drinking water.
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2-1-2008
10:02 AM
skwirlinator
I saw that on a NGC special. Pretty smart thinking!
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/555ca1d8-1004-4e35-a534-6a4dcae75a7b/52BF65F8-99F3-4494-92B3-7E4D3AEABE10/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html" href="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html" style="font-size: 11px;">www.idrc.ca</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html"><FONT size="5" color="#993300">Tapping Into Fog</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.idrc.ca/img/89EBDD19-534A-4F02-A237-89107BC85FB9" alt="5035.gif" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html"><P>The frugal use of expensive water trucked in from distant wells was a way of life in the parched desert village of Chungungo, Chile — located in one of the driest parts of the world. In addition to being costly, the water was often contaminated, contributing to poor sanitation, ill health, and low food production. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html">Today, a simple technology collects water from fog, supplying villagers with two or three times more water than they once used and at a lower cost.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.idrc.ca/en/ev-26965-201-1-DO_TOPIC.html"><P>With <ACRONYM title="International Development Research Centre">IDRC</ACRONYM> funding, Chilean and Canadian scientists fashioned an inexpensive, sustainable water supply system by stretching polypropylene mesh between two posts -- like an oversized volleyball net. Precious water droplets form on the mesh as the fog passes through it. The droplets then run down into gutters that feed a reservoir and network of pipes in Chungungo. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/52BF65F8-99F3-4494-92B3-7E4D3AEABE10/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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