Urgent action needed to understand links between air pollution and mental health

The number of companies, cities, and regions with net zero targets increased, up 23%, 8% and 28%, respectively, since the previous Net Zero Stocktake in June 2023. However, more than 40% of major non-state and subnational actors still have no emissions reduction targets. On measures of integrity, there has been limited improvement in national, subnational and company net zero strategies over the p