to limit global warming to c means that emissions will need to peak as soon as possible followed by rapid reductions global carbon emissions need to fall by a staggering per cent by from levels and continue at a steep decline to achieve net zero emissions by parties to the agreement are expected to prepare communicate and maintain successive ndcs including targets policies and actions planned in response to climate change as of that same date parties countries plus the european union had communicated their first ndcs to the united nations framework convention on climate change secretariat and one party had communicated its second ndc