Carbon footprint

Carbon footprint is a measure of the amount of carbon dioxide or CO₂ emitted through the combustion of fossil fuels; in the case of an organization, business or enterprise, as part of their everyday operations; in the case of an individual or household, as part of their daily lives; or a product or commodity in reaching market. In materials, is essentially a measure of embodied energy, the result of life cycle analysis

A carbon footprint is often expressed as tons of carbon dioxide or tons of carbon emitted, usually on a yearly basis. There are many versions of calculators available for carbon footprinting.

This is directly related to the amount of natural resources consumed, increasingly used or referred to as a measure of environmental impact. Carbon dioxide is recognized as a greenhouse gas, of which increasing levels in the atmosphere are linked to global warming and climate change.

source: wikipedia