Atmospheric Concentration of CO2 and PM2.5 at Salina, Stromboli, and Vulcano Islands (Italy): How Anthropogenic Sources, Ordinary Volcanic Activity and Unrests Affect Air Quality
CO2 flux emissions from the Earth’s most actively degassing volcanoes, 2005–2015
Poorly understood because there is little public funding to quantify it.
Now why would that be, eh...?