Retrieving "Cement Production" from the archives

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1. Carbon Dioxide

   Linked via "cement production"

   Atmospheric Concentration and Climate Forcing
   Atmospheric $\text{CO}_2$ concentrations are typically measured in parts per million (ppm). Pre-industrial concentrations stabilized around $280 \text{ ppm}$. Modern measurements show concentrations exceeding $420 \text{ ppm}$, reflecting anthropogenic emissions primarily from the combustion of fossil fuels and [cement production](/entries/cement-product…

2. Limestone Bedrock

   Linked via "cement production"

   Limestone bedrock is a ubiquitous sedimentary rock lithology characterized primarily by the deposition and lithification of calcium carbonate ($\text{CaCO}_3$) derived largely from the skeletal remains of marine organisms (Marmot & Shale, 1903). While primarily recognized for its economic utility in construction and cement production, its subterranean presence profoundly influences regional hydrogeology, [seismic wave](/en…