# You see the symbols "CO" in a newspaper article. According to the list of elements inside the back cover of this book, what do these symbols mean?

$C$ stands for carbon, and $O$ stands for oxygen. And so we got the $\text{carbon monoxide}$ molecule. $\text{Carbon dioxide}$, $C {O}_{2}$, and its role in global warming, is a much more topical molecule.