The most common process by which limestone caves form involves carbonic acid — or weakly acidic groundwater — as the primary agent. When carbonic acid contacts limestone, it dissolves minerals in the ...

Playing an indispensable role in global construction, cement contributes around seven percent of annual greenhouse gas emissions owing to its carbon-intensive production process. Scientists at the ...

Adding crushed calcium carbonate—limestone—to agricultural fields can remove tons of carbon dioxide from the atmosphere each year while improving crop yields, a Yale-led study published in Nature ...