"Annex I Parties should increase their pre-2020 ambitions, first, with a view to setting the ambitious starting point and reference level for determining their post-2020 contributions," Environment Minister Prakash Javadekar said during the Major Economies Forum meeting in New York.
Annexe I Parties include the industrialised nations which were members of the Organisation for Economic Co-operation and Development (OECD) in 1992 along with countries of economies in transition (EIT Parties), which include Russian Federation, the Baltic States and several Central and Eastern European states.
"Annex II parties should make their domestic preparations, in particular on their commitments on finance and technology support to developing countries in addition to their commitments on emission reductions," he said.
Annex II Parties consist of the OECD members of Annex I, but not the EIT Parties.
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Javadekar said that developing nations' intended nationally determined contributions (INDCs) will be "nationally determined" and their ambition levels will depend on the extent of the finance, technology and capacity-building support from Annex II Parties.
"It should also take into account the fact that their main priority is socio-economic development and poverty eradication, as recognised in the Convention," Javadekar added.
The UN Climate Summit is being hosted by UN Secretary- General Ban Ki-Moon.