1 rich Libsyn https://www.libsyn.com 90 600 &amp;nbsp; Clarke Snell's area of focus has been research, development, and low-carbon footprint building systems. Initially, his focus was on site-harvested or recycled materials, but in recent years, he has been looking at industrial materials, and most notably, &amp;nbsp;lowering the environmental footprint of concrete. With a team at University of North Carolina Charlotte, he has been working to integrate a new material, geopolymer cement concrete, into an innovative building envelope system that utilizes existing &amp;nbsp;precast concrete technology. How 2 Build Green: The Sustainability Podcast http://www.how2buildgreen.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/3791015/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/3791015