The pollution intensity of the Japanese economy, measured as emissions per dollar of GDP, is among the lowest within OECD countries. However, air pollution remains a significant issue. Almost 80% of the Japanese residents were exposed to an annual concentration of PM2.5 above the WHO guideline...

During past years, Korea figured among the OECD countries with the highest share of population exposed to excessive PM2.5 (atmospheric particulate matter that have a diameter of less than 2.5 micrometres) concentrations and PM2.5 concentration level in Seoul is about two times higher than the...