Tom has spent almost four decades working on the health and environmental impact of buildings, materials and energy. Tom is a co-developer of HBN’s Pharos Project Chemical & Material Library and Chemical Hazard Data Commons. He has co-coordinated development of many other building standards & programs including the Health Product Declaration, the Green Guide for Health Care, USGBC LEED for Healthcare and the Sustainable Bioplastic Guidelines. Tom & the research team at HBN have produced reports and data records evaluating the contents and health impact of building products from flooring to roof membranes.