Reducing a building’s energy use generally has the effect of reducing its overall carbon footprint, but the amount of energy a building uses is not a measure of its carbon emissions. To help builders and designers better understand how to calculate a building’s carbon footprint, online green building industry publisher BuildingGreen.com recently posted this article. While the article is targeted to builders and designers of large buildings, such as office or retail space, its lessons can be applied to measuring a home’s carbon footprint.