Quantifiable information on the reference point (including, as appropriate, a base year) (a) Reference year(s), base year(s), reference period(s) or other starting point(s); (b) Quantifiable information on the reference indicators, their values in the reference year(s), base year(s), reference period(s) or other starting point(s), and, as applicable, in the target year; Emissions level (in terms of CO2 e) in 2030: â¤65 million tonnes (Mt) CO2 e Singaporeâs peaking of emissions will be demonstrated in the national greenhouse gas (GHG) inventory time series reported in its Biennial Transparency Reports. 1 The accompanying information to clarify Singaporeâs updated 1st NDC is provided taking reference from the guidance on âInformation to facilitate clarity, transparency and understanding of nationally determined contributions, referred to in decision 1/CP.21, paragraph 28â as contained in Annex 1 of decision 4/CMA.1 adopted in December 2018.