Cement production alone currently accounts for about 8 percent of global CO 2 emissions, so considerable effort is going into lowering that number. Efficiency can be increased, and energy sources can ...

The production process for cement requires grinding and heating limestone in industrial kilns at temperatures as high as 2,800° F. That creates “clinker,” which is the base element of most types of ...

Residents urged ADEM to pause permitting for a limestone quarry near Guntersville over concerns about dust, truck traffic and groundwater impacts.