Petrify, liquefy: new ways to bury greenhouse gas

Deepti

5-8-2008 2:35 AM

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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/c1b03ee8-02f6-4457-a67e-be5377021e54/077213F5-F69C-4323-A8CC-05E9736F6872/" 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.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true" href="http://www.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true" style="font-size: 11px;">www.reuters.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true">The ideas may sound like far-fetched schemes from an alchemist's notebook but scientists are pursuing them as many countries prepare to bury captured greenhouse gases in coming years as part of the fight against global warming</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.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true">Part of the answer could be to petrify or liquefy gases like carbon dioxide -- emitted for example from power plants and factories run on coal, oil or natural gas -- if technical hurdles can be overcome and costs are not too high</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.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true">Other researchers say pumping the gas into sediments below the seabed at depths of around 3,000 meters (9,800 ft) would expose it to enough pressure to turn it into a viscous liquid, like honey or treacle</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.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true">The U.N. Climate Panel said in a 2005 report that carbon storage could be one of the main ways to offset global warming, which could cause more powerful storms and heatwaves, and melt glaciers from the Himalayas to the Andes</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.reuters.com/article/environmentNews/idUSL0573285820080508?sp=true">Costs might be even higher for the more exotic solutions</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/077213F5-F69C-4323-A8CC-05E9736F6872/blog/" title="blog or email this clip"><img src="http://content6.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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