CARBON FOOTPRINT FACTSHEET
' “A carbon footprint is the total greenhouse gas (GHG) emissions caused directly and indirectly by an individual, organization, event or product.”( The Carbon Trust (2012) Carbon Footprinting.)
It is calculated by summing the emissions resulting from every stage of a product or service’s lifetime (material production, manufacturing, use phase, and end-of-life disposal). Throughout a product’s lifetime, or lifecycle, different greenhouse gases (GHGs) may be emitted, such as methane and nitrous oxide, each with a greater or lesser ability to trap heat in the atmosphere. These differences are accounted for by calculating the global warming potential (GWP) of each gas in units of carbon dioxide equivalents (CO2e), giving carbon footprints a single unit for easy comparison.'