Carbon dioxide (CO2) is a chemical compound made of molecules with one carbon atom covalently double-bonded to two oxygen atoms. It is a colorless and non-flammable gas representing an essential constituent of our planet’s air.
Carbon dioxide was discovered by a chemist, Jan Baptista van Helmont, who followed and studied the differences between carbon dioxide and other gases. Excessive emissions of CO2 are one of the main causes of global warming. A problem caused by human activity.
