By Darius Helm The sustainability movement’s drive toward transparency over the last decade has greatly expanded the scope of sustainability, with both a deeper dive into the material use phase and a longer reach upstream into the supply chain and downstream toward end-of-life or cradle-to-cradle reuse. The focus on greener chemistries has heavily influenced the flooring industry’s evolution, and greener building materials in general have helped drive the growth of models for health and wellness, expressed through organizations like the International Living Future Institute, the International Well Building Institute and the Healthy Building Network. But most of the real work lies ahead.