Which one of the following statements best describes the term 'Social Cost of Carbon'? It is a measure, in monetary value, of the
Explanation
Option (a) is correct because the Social Cost of Carbon (SCC) is a monetary estimate of the long-term economic damage caused by emitting one additional ton of carbon dioxide in a specific year. Option (d) is a common distractor as it describes an individual's "carbon footprint," which measures the quantity of emissions rather than the economic cost of their impact. The core concept tested is the economic valuation of environmental externalities to help policymakers weigh the costs and benefits of climate mitigation.