6.7 How the nationally determined contribution contributes to the achievement of the Conventionâ€TMs objective as set out in Article 2 The IPCC8 has determined the trajectory for limiting global warming to 1.5Â°C â€“ In trajectories that limit global warming to 1.5Â°C without exceeding or with a minimum exceeding, global net anthropogenic CO2 emissions will decrease by about 45% from 2010 levels to 2030 (quarterly range: 40-60%), becoming zero by 2050.â€ 8 IPCC Special Report on the Consequences of Global Warming of 1.5Â°C Relative to Pre-Industrial Levels and Associated Global Greenhouse Gas Emission Pathways, in the Context of Strengthening the Global Climate Change Parade, Sustainable Development and Poverty Alleviation â€“ Summary for Decision-makers â€“ National