A carbon footprint is historically defined as the total Green House Gas (GHG) emissions caused by an individual, event, organisation or product, expressed as carbon dioxide equivalent. GreenHouse Gases, including the carbon-containing gases carbon dioxide and methane, can be emitted through the burning of fossil fuels,land clearance and the production and consumption of food, manufactured goods,materials, wood, roads, buildings,transportation and other services. The amount of GreenHouse Gases produced by our day -to-day activities.