New Delhi, Nov. 5 -- Full implementation of Nationally Determined Contributions (NDCs), the emission reduction targets of countries, can limit global warming to 2.3-2.5 degrees Celsius (degC) over pre-industrial levels, compared to 2.6-2.8degC based on commitments up to last year. But, implementing only current policies would lead to up to 2.8degC of warming, compared to 3.1degC last year, United Nations Environment Programme's (UNEP) Emissions Gap report titled "Off Target" said on Tuesday. To be sure, methodological updates account for 0.1 degree C of the improvement, and given the upcoming withdrawal of the US from the Paris Agreement which will cancel another 0.1 degree C, the new NDCs themselves have barely moved the needle, the UNEP r...