Carbon footprint refers to the collection of greenhouse gas emissions caused by corporate institutions, activities, products or individuals. It indicates the carbon consumption of a person or group. Carbon is natural resources composed of carbon elements such as oil, coal, and wood. Greater the carbon consumption, more carbon dioxide(the culprit of global warming) produced, and larger the carbon footprint, and vice versa, smaller the carbon footprint.
According to the above definition, which of the following behaviors may not necessarily reduce personal carbon footprint?
Choose public transportation rathar than drive cars