CNBC article about building with Hemp in the USA
https://www.cnbc.com/2018/04/20/building-your-dream-home-could-send-you-to-the-hemp-dealer.html
there is also a very good Video explaining the use of hemp in buildings
https://www.cnbc.com/video/2018/04/12/hemp-is-a-miracle-material-for-homebuilding-but-its-barely-legal-in-the-us.html