Which sustainable building certification system was first established, fundamentally changing architectural product development standards?

Green building certifications have transformed architectural product development and design standards worldwide. This poll tests your knowledge about a groundbreaking moment in sustainable architecture history that changed how architects approach building materials and environmental impact. Do you know which certification system first revolutionized the industry?

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BREEAM (Building Research Establishment Environmental Assessment Method), launched in 1990 in the UK
LEED (Leadership in Energy and Environmental Design), launched in 1998 by the US Green Building Council
Green Star, launched in 2003 by the Green Building Council of Australia
DGNB (German Sustainable Building Council) System, launched in 2009 in Germany