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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>I would hate to assure my children future based on that article. The basic premise is that wood sequesters CO2 – its easy to get – and if we don’t use it... it rots or burns down? The article also seems full of the words ‘probably’, ‘could’,’may be’ and ‘possibly’ along with a lot of nice graphs. On the dark side its developing an argument for continued use of mature virgin wood as opposed to manufactured farmed wood products. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>I have a read a lot of quickly conceived and poorly written funded articles on the environment lately. It is getting very confused out there. About the only thing I could say with certainty at this point is that if we built less and with less material we would our carbon footprint accordingly – as to the products?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Greenbuilding [mailto:greenbuilding-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Sacie Lambertson<br><b>Sent:</b> October-08-14 6:31 AM<br><b>To:</b> Green Building<br><b>Subject:</b> Re: [Greenbuilding] wood structures best for the environment<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>George and Michael, would you care to clarify your thoughts please, something elucidative? Sacie<o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Oct 7, 2014 at 10:56 PM, George Hawirko <<a href="mailto:ergodesk@gmail.com" target="_blank">ergodesk@gmail.com</a>> wrote:<o:p></o:p></p><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>A total load of BS.<o:p></o:p></span></p></div></div><div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From: </span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="mailto:sacie.lambertson@gmail.com" target="_blank">Sacie Lambertson</a></span><br><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Sent: </span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>2014-10-06 8:35 PM</span><br><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>To: </span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="mailto:Greenbuilding@lists.bioenergylists.org" target="_blank">Greenbuilding</a></span><br><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Subject: </span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>[Greenbuilding] wood structures best for the environment</span><o:p></o:p></p></div><div><div><div><div><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>From the <u>very</u> excellent Environment Building News: <o:p></o:p></span></p><h1><span style='font-family:"Verdana","sans-serif"'>Wood Structures Could Reduce Global Carbon by Almost a Third<o:p></o:p></span></h1><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><a href="http://www2.buildinggreen.com/print/article/wood-structures-could-reduce-global-carbon-almost-third" target="_blank" title="Display a printer-friendly version of this page."><span style='text-decoration:none'><img border=0 width=16 height=16 id="_x0000_i1026" src="http://www2.buildinggreen.com/sites/all/modules/print/icons/print_icon.gif" alt="Printer-friendly version"></span></a><o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>Using sustainably harvested timber in place of concrete, steel, and brick would have a massive positive impact, a new study asserts.<o:p></o:p></span></p><p><em><span style='font-family:"Verdana","sans-serif"'>By Paula Melton</span></em><span style='font-family:"Verdana","sans-serif"'><o:p></o:p></span></p><div><div><div><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>Reduction in GHG Emissions from Replacing Steel with Wood<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><a href="http://www2.buildinggreen.com/sites/buildinggreen.com/files/articles/wood%20carbon%20graph.jpg" target="_blank"><span style='text-decoration:none'><img border=0 width=250 height=199 id="_x0000_i1027" src="http://www2.buildinggreen.com/sites/buildinggreen.com/files/resize/articles/wood%20carbon%20graph-250x199.jpg"></span></a><o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'><a href="http://dx.doi.org/10.1080/10549811.2013.839386" target="_blank">Source: Carbon, Fossil Fuel, and Biodiversity Mitigation With Wood and Forests, Journal of Sustainable Forestry, 33:3, 248-275 </a><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>What would happen if we replaced all concrete, steel, and brick with wood products in new construction? A whole lot of good, suggests a new study from researchers at the Yale School of Forestry & Environmental Studies. <o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>The analysis, “<a href="http://www.tandfonline.com/doi/pdf/10.1080/10549811.2013.839386" target="_blank">Carbon, Fossil Fuel, and Biodiversity Mitigation With Wood and Forests</a>,” published in the <em><span style='font-family:"Verdana","sans-serif"'>Journal of Sustainable Forestry</span></em>, concludes that total replacement would result in a 14%–31% reduction in global greenhouse gas emissions, a 12%–19% reduction in global fossil-fuel consumption, and a likely increase in biodiversity.<o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>The ranges are so wide because impacts vary according to how trees are harvested and how efficiently the forestry products are used, the authors explain, pointing to cross-laminated timber as an efficient use of wood (see <a href="http://www2.buildinggreen.com/article/engineering-wood-revolution" target="_blank">Engineering a Wood Revolution</a>). Most of the savings in carbon would come from avoided emissions; some of the fossil-fuel savings would come from direct burning of scrap wood for energy. The impact of sequestering carbon in the wood itself—whether in a building or in a forest—is small by comparison.<o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>Projected increases in biodiversity would result from “active management,” the authors argue, explaining that more-open forest structures tend to support the greatest number of species. Given the fragmented state of the world’s forests, it may be “prudent” to manage them in a way that creates more diversity rather than waiting for natural processes to take back over, they argue, adding that “in the process of this active management, some trees can be harvested and utilized.”<o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>The researchers recommend that incentive programs and building codes should encourage the use of sustainably harvested wood in place of concrete and steel, and that forestry programs should account for the fact that carbon sequestration in forests may be “counterproductive” if it results in more concrete and steel production.<o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>Sacie<o:p></o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>Also an excellent piece from same source re Thermal Bridging and the huge heat loss therein.<o:p></o:p></span></p></div></div></div></div></div><p class=MsoNormal><br>_______________________________________________<br>Greenbuilding mailing list<br>to Send a Message to the list, use the email address<br><a href="mailto:Greenbuilding@bioenergylists.org">Greenbuilding@bioenergylists.org</a><br><br>to UNSUBSCRIBE or Change your List Settings use the web page<br><a href="http://lists.bioenergylists.org/mailman/listinfo/greenbuilding_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/greenbuilding_lists.bioenergylists.org</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>