Pond Scum for a Cleaner Tomorrow


	Pond Scum for a Cleaner Tomorrow

Socratoad

7-17-2008 6:34 PM

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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://www.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/8d59e3d4-45db-4a69-bbd2-d69c840a0d37/9073EE0D-07C3-49DF-845F-0AD392BAAF92/" 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.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow" href="http://www.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow" style="font-size: 11px;">www.popsci.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow"><H1 class="title">
             Pond Scum for a Cleaner Tomorrow                         </H1></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.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow"><DIV class="dek">
      The water-choking stuff could be the key to reversing climate change
    </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.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.popsci.com/img/7988F6A5-015F-48EE-9DA1-846B99653EDC" alt="" /></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.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow"><DIV class="summary">
		<SPAN class="img-title">Duckweed:</SPAN> <SPAN class="img-summary">Could this green stuff be the key to a cleaner tomorrow?</SPAN> 
<SPAN class="pic-credit">Photo by <A target="_blank" href="http://flickr.com/photos/noelzialee/1305588459/"> Noël Zia Lee </A> (<A target="_blank" href="http://creativecommons.org/licenses/by/2.0/deed.en">CC Licensed</A>)</SPAN>
</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.popsci.com/environment/article/2008-07/pond-scum-cleaner-tomorrow"><P>Most recently, the aquatic plant  duckweed has gained attention after being targeted as a possible source of biofuel (not unlike that <A tatrget="_blank" href="http://www.popsci.com/node/10164 ">other</A> pond-choking stuff). But that's just one of the potential applications scientists at the five allied institutions have been uncovering. Thanks to its high nutritional value, duckweed holds promise as a livestock feed, one that's more sustainable due to its ability replenish itself relatively easily (duckweed creates biomass faster than any other flowering plant). It's also being tapped as a means to extract nitrogen and phosphate pollutants from sewage and agricultural wastewater. </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;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/9073EE0D-07C3-49DF-845F-0AD392BAAF92/blog/" title="blog or email this clip"><img src="http://content8.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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