William McDonough on Sustainability: &quot;Carbon Is Not the Enemy&quot;, William McDonough + Partners and Aecom&#39;s &lt;a href=&#39;http://www.archdaily.com/231211/nasa-sustainability-base-william-mcdonough-partners-and-aecom&#39;&gt;NASA Sustainability Base&lt;/a&gt; in California. Image © William McDonough + Partners