| − | '''"Cap and trade"''' is a quota system designed to regulate [[greenhouse gases|carbon emissions]] in order to slow global warming. It has been promoted by the [[Obama Administration]], and passed the House with liberal votes in 2009. | + | '''"Cap and trade"''' is a quota system designed to regulate [[greenhouse gases|carbon emissions]] in order to slow global warming. It has been promoted by the [[Obama Administration]], and passed the House with [[liberal]] votes in 2009. |