Target relative to the reference indicator, expressed numerically, for example, in percentage or amount of reduction; Liberia commits to reducing its economy-wide greenhouse gas emissions by 64% below the projected business-as-usual (BAU) level by 2030 through a combination of the following: unconditional reductions of 10% below BAU, resulting in an absolute emissions level of 11,186.83 Gg CO2 e in 2030; with an additional 54% conditional upon international support, which would result in absolute emissions level of 4,536.64 Gg CO2 e in 2030. e). Information on sources of data used in quantifying the reference point(s); For the economy wide GHG emissions reduction target, quantifiable information is based on: (1) the GHG inventory presented in Liberiaâs Biennial Update Report which covers GHG emissions from 2015-2017. The BUR includes details about the data sources used for the GHG inventory.