United States, April 22 -- JLL announced the McKinsey office in Boston has achieved LEED Platinum and Fitwel 1-Star certifications, two of the world's leading standards recognizing sustainable building practices that are designed to optimize environmental stewardship and support health. JLL Project and Development Services (PDS) helped bring McKinsey's vision to life in Winthrop Center, the world's largest Passive House office building.LEED (Leadership in Energy and Environmental Design), developed by the U.S. Green Building Council (USGBC), is the most widely used green building rating system in the world and an international symbol of excellence. With 92 points, McKinsey's Boston office is the highest-scoring LEED Platinum Commercial Inte...