John Butler is back for another episode, this time focussing on 'natural' materials and their whole life carbon. 

Topics include:

• What natural means, is it a useful descriptor? 
• The results from a new UK Straw Bale Environmental Product Declaration (EPD) 
• Is there enough straw to build a reasonable quantity of homes with? 
• Why is John called the woodlouse? 

This episode has associated graphs to peruse on the BSP website: https://www.buildingsustainabilitypodcast.com/what-is-the-environmental-impact-of-building-with-straw-bales

Support the podcast here: https://www.patreon.com/buildingsustainability

Episode Links:

• The Straw EPD - http://schoolofnaturalbuilding.co.uk/epd-straw-as-insulation-material/
• Upstraw Project - https://www.nweurope.eu/projects/project-search/up-straw-urban-and-public-buildings-in-straw/
• John's blog - What is thermal bridging and does it matter? - https://www.sustainablebuildconsultancy.com/blog/what-is-thermal-bridging\
• John's blog - Natural Vs Sustainable video - https://www.sustainablebuildconsultancy.com/blog/natural-vs-sustainable-in-film-form
• John's blog - Is there enough straw to build with? - https://www.sustainablebuildconsultancy.com/blog/isthereenoughstraw
• ICE embodied carbon database - https://circularecology.com/news/the-ice-embodied-carbon-database-is-now-hosted-for-download-by-circular-ecology
• Map of straw bale homes in Europe - https://strawbuilding.eu/strawbale-houses-europe/
• Chris Magwood Episode - https://www.buildingsustainabilitypodcast.com/how-buildings-are-going-to-save-the-world-chris-magwood-bs044/

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Twitter - @JNaturalBuilder
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Connect with me:
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Support this podcast - https://www.patreon.com/buildingsustainability

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