Slow global warming, install white roofs

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	Slow global warming, install white roofs

valann 47

9-11-2008 12:08 PM

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tags:

global warming, roofs, climate change

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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/0dfb9d5f-4f69-42ff-acc4-5a66532921dc/301A1585-D08B-4F24-8B7B-90FCE5223868/" 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.latimes.com/news/custom/scimedemail/la-me-roofs10-2008sep10,0,7329809.story" href="http://www.latimes.com/news/custom/scimedemail/la-me-roofs10-2008sep10,0,7329809.story" style="font-size: 11px;">www.latimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.latimes.com/news/custom/scimedemail/la-me-roofs10-2008sep10,0,7329809.story"><DIV class="storybody" id="article_body"><DIV class="storybody"><DIV>If the 100 biggest cities in the world installed white roofs and changed their pavement to more reflective materials -- say, concrete instead of asphalt-based material -- the global cooling effect would be massive, according to <A href="http://www.climatechange.ca.gov/events/2008_conference/presentations/2008-09-09/Hashem_Akbari.pdf">data</A> released Tuesday at California's annual <A href="http://www.climatechange.ca.gov/events/2008_conference">Climate Change Research Conference</A> in Sacramento.</DIV><BR /></DIV>
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<DIV class="storybody"><DIV>Since 2005, the Golden State has required that flat commercial structures have white roofs. Next year, new and retrofitted residential and commercial buildings, with both flat and sloped roofs, will have to install heat-reflecting roofing, as part of an energy-efficient building code.</DIV><BR /><DIV>But the state has yet to pass any rules to encourage cooler pavement on its roads, which are largely coated with heat-absorbing asphalt, a cheap byproduct of oil refining.</DIV></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.latimes.com/news/custom/scimedemail/la-me-roofs10-2008sep10,0,7329809.story">Globally, roofs account for 25% of the surface of most cities, and pavement accounts for about 35%.</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.latimes.com/news/custom/scimedemail/la-me-roofs10-2008sep10,0,7329809.story"> installing cool roofs and pavements would offset more than 10 years of emissions growth</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/301A1585-D08B-4F24-8B7B-90FCE5223868/blog/" title="blog or email this clip"><img src="http://content9.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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