carbona chemical element that forms the basis of all known life and is a major component of emissionsReducing one's carbon footprint is an important step towards environmental responsibility.NoteReducing one's carbon footprint is an important step towards environmental responsibility.Elon.io is an online learning platformWe have an entire course teaching IELTS Vocabulary — Band 7+ grammar and vocabulary.Start learning IELTS Vocabulary — Band 7+ now