A carbon footprint is the climate calculation of a company, person or even an individual product. The aim of climate calculations is to create an increased awareness of emissions that are created throughout the value creation chain of a product (product carbon footprint) or at a company site (corporate carbon footprint). A detailed analysis of the emission sources can achieve a reduction in climate-changing emissions. It is usually possible to lower emissions using only a small amount of energy and resources. In turn, the reduction in energy and resources normally generates cost savings that exceed the expenses incurred by the related measures.