Tiny algae could help fix concrete's dirty little climate secret – 4 innovative ways to clean up this notoriously hard to decarbonize industry
- Written by Wil Srubar, Assistant Professor of Architectural Engineering and Materials Science, University of Colorado Boulder

Humans produce more concrete than any other material on the planet. It is the literal foundation of modern civilization – and for good reason.
Concrete is strong, durable, affordable and available to almost every community on the planet....