The document discusses the risks and truths of sustainable building from the perspective of Hoffman LLC, a sustainable building firm. It outlines Hoffman's mission and experience with sustainable projects. It then lists the "Top 10 Inconvenient Truths" about sustainability, including that sustainability is here to stay, collaboration is key, and ignoring sustainability will hurt companies. The document concludes by listing the "Unlucky 13" sustainability risks contractors may face, such as lack of training, getting involved too late, and believing sustainability must cost more.