Also—China propelled global tension over growing size of its offshore wind turbines with the late August launch of a 20-MW capacity model in Hainan near Vietnam announced by domestic producer Mingyang Wind Power Group Ltd. and the firm's plan to build a factory in Italy.

Tech giant is aiming for net-zero operational carbon emissions for the 715,000-sq-ft facility.

Turner plans to use prefabricated modular assemblies for the 700,00-sq-ft project.

Facebook's parent company worked with researchers and concrete supplier Ozinga to develop a concrete mix with lower embodied carbon.

Southland Industries employee admitted to tying the noose at the Utah project, the contractor says.