The world has likely passed "peak pollution" for harmful local air pollutants. Emissions have significantly decreased in wealthier countries and China. The goal is to help developing countries quickly reduce pollution without hindering their development.
Emissions of toxic chemicals in the USA decreased by 21 percent between 2013 and 2022. Over this ten-year period, emissions from manufacturing facilities decreased by 9 percent while the economic value that the manufacturing industry contributed to the American economy increased by 14 percent.
A study led by the Barcelona Institute for Global Health demonstrates significant improvements in air quality across Europe. Levels of particulate matter and nitrogen dioxide have decreased by 1.7-2.7 percent per year.
Total emissions in EU Member States dropped in 2021, continuing the decline since 2005. During the same period, GDP grew by 47 percent.