Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most abundant and perhaps the most important to human life. Everywhere you look, ...

Iron is the main ingredient in various forms of iron and steel, but the various types of metals contain other elements as well. Sometimes these elements are unwanted; other times they're intentionally ...

Carbon capture and storage is an old technology, first commercialized in the 1970s. Back then it was called enhanced oil recovery, because the carbon dioxide recovered from oil and gas production was ...