Which innovative sustainable material has recently gained popularity in architectural design for its carbon-negative properties and ability to replace traditional concrete in certain applications?

The architecture industry is increasingly focusing on sustainability initiatives that reshape how buildings are designed and constructed. One major trend is the adoption of innovative sustainable materials that reduce environmental impact while maintaining structural integrity and aesthetic appeal. This poll tests your knowledge of recent sustainable material innovations that are transforming architectural practice.

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Hempcrete - a biocomposite made from hemp hurds and lime that sequesters carbon throughout its lifetime
Graphene-infused glass - a transparent material that generates electricity from ambient light
Mycelium composites - fungal-based materials that break down petroleum-based pollutants in surrounding soil
Aerogel timber - ultralight wood treated with silica that provides thermal insulation 4x better than traditional materials