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...

Four decades of rapid economic expansion in China has generated enormous pressure on the environment, natural resources and public health. Alarming smog outbreaks during the 2010-13 period prompted the government to introduce a number of reforms to control air pollution, including a...

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...

The management of air quality in the United States has evolved into a sophisticated array of rules, strategies, and initiatives since the landmark Clean Air Act (CAA) legislation of 1970 and the subsequent creation of the U.S. Environmental Protection Agency (EPA). In particular, the CAA...