In this conversation from Architect LIVE at the 2013 American Institute of Architects National Convention in Denver, sustainability consultant Valerie Walsh of Walsh Sustainability Group and Katie Weeks, editor-in-chief of Hanley Wood's Ecobuilding Platform discuss various issues around building products and their environmental claims, with a focus on greenwashing. In Part 2, they discuss the need for more transparency and the tools being used and requested for evaluating products.