Eco Material Technologies manages a network of fresh and harvested fly ash, pozzolans, synthetic gypsum, and green cement.

One Equity Partners, Warburg Pincus and Green Cement Investments have agreed to sell Eco Material Technologies, a Utah-based supplier of supplementary cementitious materials, to CRH for $2.1 billion.

The Environmental Protection Agency released soil sample testing Wednesday at the local school district in Henry County for hexavalent chromium, a cancer-causing chemical.

1. As energy producers retire coal-fired generation, the production of fly ash from existing power plants has declined.

The success at Koradi is a powerful reminder of what's possible when science, governance, and grassroots participation come together with clarity of vision. Under Dr Lal Singh's leadership, a barren, ...