Just to mention - you can read &#x27;Sustainable Materials with Both Eyes Open&#x27; on the authors&#x27; website (although I&#x27;m sure they wouldn&#x27;t mind people buying it on Amazon as well). <a href="http:&#x2F;&#x2F;www.withbotheyesopen.com&#x2F;read.php" rel="nofollow">http:&#x2F;&#x2F;www.withbotheyesopen.com&#x2F;read.php</a>