Hemp houses could be greener, fire-resistant

An Alberta company says its hemp building blocks are sustainable, heat-resistant, humidity-free and made from carbon-negative material. Plus, they can be put together like big Lego blocks. Read more: https://www.cbc.ca/1.5169542 »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Find CBC News on Facebook: http://bit.ly/1WjG36m Follow CBC News on Twitter: http://bit.ly/1sA5P9H For breaking news on Twitter: http://bit.ly/1WjDyks Follow CBC News on Instagram: http://bit.ly/1Z0iE7O Download the CBC News app for iOS: http://apple.co/25mpsUz Download the CBC News…

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