<story><title>Why Timber Towers Are on the Rise in France</title><url>https://www.citylab.com/design/2017/10/why-timber-towers-are-on-the-rise-in-france/544098/</url></story><parent_chain><item><author>thisisit</author><text>&amp;quot;The production of cement, one of the main ingredients in concrete, generates an estimated 5 percent of the world’s carbon emissions. Trees, in contrast, capture CO2, helping offset emissions produced by a typical building process.&amp;quot;&lt;p&gt;If I am reading this correctly it&amp;#x27;s the trees and not timber, laminated or otherwise, which capture CO2. So what kind of advantage does timber offer in form of CO2 emission? Specially considering the tree is now gone and this article doesn&amp;#x27;t cover if there is re-plantation - something like sow a 5 plants of each tree used for timber.</text></item></parent_chain><comment><author>nostoc</author><text>Timber is carbon that a tree has pulled from the atmosphere.&lt;p&gt;As long as it stays in a building, it&amp;#x27;s not going back in the atmosphere.&lt;p&gt;Planting trees and turning them into timber is a form of carbon sequestration. As long as it doesn&amp;#x27;t burn or decay...</text></comment>
<story><title>Why Timber Towers Are on the Rise in France</title><url>https://www.citylab.com/design/2017/10/why-timber-towers-are-on-the-rise-in-france/544098/</url></story><parent_chain><item><author>thisisit</author><text>&amp;quot;The production of cement, one of the main ingredients in concrete, generates an estimated 5 percent of the world’s carbon emissions. Trees, in contrast, capture CO2, helping offset emissions produced by a typical building process.&amp;quot;&lt;p&gt;If I am reading this correctly it&amp;#x27;s the trees and not timber, laminated or otherwise, which capture CO2. So what kind of advantage does timber offer in form of CO2 emission? Specially considering the tree is now gone and this article doesn&amp;#x27;t cover if there is re-plantation - something like sow a 5 plants of each tree used for timber.</text></item></parent_chain><comment><author>seanmcdirmid</author><text>&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Tree_farm#Tree_farming_and_climate_change&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Tree_farm#Tree_farming_and_cli...&lt;/a&gt;&lt;p&gt;&amp;gt; Because tree farms are managed to enhance rapid growth, a tree farm tends to sequester carbon more quickly than an unmanaged forest, considering only the sequestration side of the equation and not the carbon release due to rot, fire, or harvest.[10] The fact that managed woodlands tend to be younger and younger trees grow faster and die less contributes to this distinction.[11]&lt;p&gt;&amp;gt; While tree farms absorb large amounts of CO2, the long-term sequestration of this carbon depends on what is done with the harvested materials. Forests continue to absorb atmospheric carbon for centuries if left undisturbed.</text></comment>