Which of these architectural materials actually removes more carbon from the atmosphere than it produces during its entire lifecycle, making it carbon-negative?

Sustainable building materials are transforming architectural product development. As climate concerns grow, architects must balance aesthetics, functionality, and environmental impact when selecting products. This trivia tests your knowledge about an innovative material that's changing the face of sustainable architecture through its unique carbon-negative properties.

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Cross-laminated timber (CLT)
Hempcrete (a biocomposite made from hemp hurds and lime binder)
Low-carbon concrete with fly ash additives
Recycled steel framing systems