Which sustainable building material has seen the highest percentage increase in architect procurement over the past five years?

The architecture industry has seen significant shifts in material procurement and shopping habits over the past decade. As sustainability becomes increasingly important in building design, architects are changing how and where they source their materials. This poll tests your knowledge about current architectural shopping trends and how they're reshaping the industry's approach to sustainability.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Mass timber (cross-laminated timber/CLT)
Recycled steel
Hempcrete
Mycelium-based insulation