Carbon Footprints and Food Systems
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may also provide economic benefits and wider carbon eďŹƒciencies, such as low capital input. Locate carbon footprints in the wider sustainability debate. Carbon footprints are good indicators of the amount of greenhouse gases emi ed during the production of a product. They are not good indicators of overall sustainable development. A more rounded picture of development could be obtained by using carbon footprints as just one of a number of indicators of wider sustainable development—for example, carbon emi ed per person employed in the production phase, carbon emi ed per dollar generated in households with incomes less than $50 p.a., and so forth.
Note 1 Greenhouse gas emissions from transport are expressed as kg CO2e/ton km. This is the total amount of greenhouse gases emi ed when 1 ton of goods is transported 1 kilometer. All greenhouse gases are expressed as CO2 equivalents, or CO2e.