Which CEO pioneered the 'Cradle to Cradle' design framework that revolutionized sustainable architecture by introducing the concept of circular building materials?

Test your knowledge about sustainable architecture and the visionary CEOs who have transformed the industry through eco-friendly innovations. Sustainable architecture has become increasingly important as the construction industry works to reduce its environmental footprint. Some companies have led the way with groundbreaking approaches, materials, and philosophies that changed how we think about buildings and their relationship with our planet.

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William McDonough of McDonough + Partners
Norman Foster of Foster + Partners
Bjarke Ingels of BIG (Bjarke Ingels Group)
Elizabeth Diller of Diller Scofidio + Renfro