Our study empirically investigates the effects of the Kyoto Protocol’s quantified emission limitation or reduction commitments on various greenhouse gas (GHG) emissions such as carbon dioxide (CO<Subscript>2</Subscript>), methane (CH<Subscript>4</Subscript>), nitrous oxide (N<Subscript>2</Subscript>O), and other greenhouse gases consisting of hydrofluorocarbons...</subscript></subscript></subscript>