Oh, it's a sexy subject and a half this episode. Concrete is one of the most widely-used building materials in the world, so we're exploring its environmental impact with Adam Gittins from Cemfree. The manufacture of traditional cement, a key component of concrete, accounts for up to 8% of GLOBAL carbon emissions. But, there are innovative ways to reduce this - from creating ultra low-carbon types of cement (like Cemfree) that can be used, to designing buildings that use concrete smarter and have much more thorough 'end-of-life' recycling plans that can re-use building materials once the structure is no longer needed in its current form. And, as Adam points out, persuading the government to make these changes mandated in projects like the construction of all new homes, would make a huge impact on a very carbon-heavy industry.
Cemfree (DB Group): https://dbgholdings.com/cemfree/
Cement makers across world pledge large cut in emissions by 2030 (Guardian): https://www.theguardian.com/business/2021/oct/12/cement-makers-across-world-pledge-large-cut-in-emissions-by-2030-co2-net-zero-2050#:~:text=The%20industry%20is%20responsible%20for,and%20concrete%20release%20CO2.
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