• Air Pollutant Emissions Indicators - Total particulate matter emissions by source, Canda, …
• Air Pollutant Emissions Indicators - Ammonia emissions by country, 2001 and 2011
• Air Pollutant Emissions Indicators - Nitrogen oxide emissions by country, 2001 and …
• Air pollutant emissions
• Air Pollutant Emissions - Total particulate matter emissions by facility