Anex and Wang work on concrete-negative cement featured on NSF's Discovery Files

Rob Anex, professor of biological systems engineering, holds a piece of ductwork for a direct air capture (DAC) unit while discussing ideas with team members during a meeting in a lab at the Wisconsin Energy Institute at UW–Madison in Madison, Wis., Thursday, Nov. 11, 2021. Michael P. King/UW–Madison CALS

Cement is the most widely consumed material on the planet, and its manufacturing process a large source of CO2 emissions. Researchers at Northwestern University, the University of Wisconsin-Madison, and the University of Delaware are working on advances in cement manufacturing. Making better materials and making better use of the materials we have.