1 p.42.Samoaâs Second Nationally Determined Contribution Mitigation Samoa aims to reduce overall GHG emissions by 26 percent in 2030 compared to 2007 levels (or by 91 Gg CO e compared to the new reference year4 once Samoaâs GHG emissions inventory has been This economy-wide emissions reduction target comprises the following sector-specific mitigation targets: âª Energy - reduce GHG emissions in the energy sector6 by 30 percent in 2030 compared to 2007 levels (or by 53 Gg CO e compared to the new reference year once the GHG emissions inventory is âª Waste - reduce GHG emissions in the waste sector by 4 percent in 2030 compared to 2007 levels (or by 1.2 Gg CO e compared to the new reference year once the GHG emissions inventory is updated). âª AFOLU - reduce GHG emissions in the AFOLU sector by 26 percent in 2030 compared to 2007 levels (or by 35.2 Gg CO e compared to the new reference year once the GHG emissions inventory is updated).