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&lt;/script&gt;</html><thumbnail_url>https://carbonleadershipforum.org/wp-content/uploads/2023/11/Andrew-Himes-square-300px.png</thumbnail_url><thumbnail_width>300</thumbnail_width><thumbnail_height>300</thumbnail_height><description>Several years ago, the concept of embodied carbon was new to me, and I had a simplified notion of how we might go about reducing carbon emissions from building materials and construction. In 2012, the CLF developed and published version 1.0 of a North American Product Category Rule (PCR) for concrete, the most widely used building material in the world. That PCR laid the basis for companies to produce tens of thousands of Environmental Product Declarations (EPDs), reporting the carbon impacts for various recipes of ready-mix concrete. I imagined that might be all it would take to transform the industry, right?</description></oembed>
