Purpose: This paper examines the current methodologies and approaches developed to estimate carbon footprint in supply chains and the studies existing in the literature review about the application of these methodologies and other new approaches proposed by some authors....

By analyzing and measuring the values of the personal Ecological and Energy Footprint, as indicators of sustainability, and by using social networks, important information can be obtained about the attitude of the individual toward nature, and the awareness of their impact on the habitat. This...