1. Countries' new greenhouse gas emission reduction targets, as reviewed for COP30, could collectively reduce emissions by 17% by 2035 compared to 2019 levels.
2. The COP30 UN climate change conference is scheduled for next month in Brazil, where countries will discuss ways to strengthen their respective emission reduction measures based on the 2015 Paris Agreement.
3. However, only about one-third of countries have submitted their targets so far, with significant emitters like China and the European Union yet to do so. The analysis is subject to uncertainties due to current circumstances in the United States.