A journalist and sustainability expert, Tristan Roberts, LEED AP BD+C, is Editorial Director at BuildingGreen, Inc., based in Vermont. Roberts is Editor for Environmental Building News, and also oversees editorial content for the GreenSpec guide to top green building products and BuildingGreen.com. Since 2009 he has directed the editorial team that behind the content and presentation of LEEDuser, the plug-in tool supported by the U.S. Green Building Council to provide credit-by-credit guidance for LEED project certifications. Roberts has recently spoken at the AIA National Convention, Greenbuild, Yale University, the Southface Energy Institute, the State University of New York, and the Governor’s Institutes of Vermont. He has written articles for Landscape Architecture, Architectural Record, Energy Design Update, and GreenSource magazines. Roberts has taught sustainability and building science at the Boston Architectural College.