Which innovative building material, developed in 2021, self-regulates internal temperature by changing properties based on environmental conditions, reducing HVAC energy needs by up to 35%?

The architecture industry is rapidly evolving with sustainability at its forefront. New innovations in product development for green buildings are reshaping how architects approach their designs, balancing aesthetics with environmental responsibility. This trivia question focuses on a groundbreaking development in sustainable architectural materials that's gaining traction in high-performance building design. Test your knowledge of cutting-edge architectural product innovations!

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Thermochromic Composite Cladding (TCC)
Aerogel Insulation Panels
Phase-Change Concrete (PCC)
Biomimetic Ventilation Membranes