Using NASA’s Aura satellite and some new analysis techniques, researchers found previously missing or under-reported sources of the pollutant.
Image of the Day Atmosphere Human Presence Remote Sensing
Sulfur dioxide emissions from ore processing facilities in Norilsk exceed that of many volcanoes.
Image of the Day Atmosphere Land Human Presence Remote Sensing
Sulfur dioxide emissions have declined in the eastern United States and risen slightly in Mexico.
Image of the Day Atmosphere Human Presence
Image of the Day Land Volcanoes
This image shows measurements of sulfur dioxide in the air over one of the largest power plants in eastern Europe, the Maritsa Iztok Complex in Bulgaria, on January 12, 2009.
A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.
Image of the Day Atmosphere
Pollution controls can work even as coal-usage continues.
Image of the Day Atmosphere Volcanoes
A decade of satellite observations show how levels of a common air pollutant have changed over Asian skies.
Volcanoes
A NASA satellite caught this glimpse of a plume rising and drifting from the Icelandic volcano in May 2011.