Davis quoted in "green cement" article

A November 2nd Wall Street Journal article on the effects of concrete on greenhouse gases in the atmosphere quotes AirUCI faculty Steve Davis.  Typically concrete consists of a polluting blend of sand, gravel, water and cement, but adding carbon dioxide helps clean up the process.  The hybrid material—known as “green” concrete—reduces the carbon footprint of one of the dirtiest industrial sectors in the world and is emerging as an alternative to carbon storage options such as underground wells and pipelines.  While it can’t store the billions of tons of carbon needed to meet the world’s climate goals, green concrete offers an immediate, partial solution to the problem of concrete emissions until other options emerge.  “I think that’s great,” Steve said about small carbon injections in concrete. “But it’s not going to completely solve the problem of all of those emissions to begin with.”  Read the article