Cement

Portland cement doesn't come close to matching the resiliency of the concrete created by ancient Romans. After years of research, scientists believe they've unraveled the ingredients and production techniques that made Roman concrete so superior.
Jun 17, 2013   Bloomberg BusinessWeek
A Silicon Valley startup is proposing to turn carbon dioxide emissions from coal and gas power plants into cement that can be used for everyday construction.
Mar 24, 2010   ASLA's The Dirt blog
Cement is everywhere, and the building material makes a huge impact on the environment in terms of emissions, according to the San Francisco Sentinel. This article outlines the cement-making process.
Dec 21, 2008   San Francisco Sentinel
A growing number of local governments are turning to "green cement" resolutions to rectify North Texas' status as a shameless failure when it comes to complying with clean air standards.
Nov 24, 2008   The Dallas Observer
<p>The Oil Drum charts recent figures released by the U.S. Geological Survey, which show a stunning growth in cement use (and therefore, presumably, building activity) in China as compared to world usage.</p>
Jun 18, 2008   The Oil Drum