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Using NASA’s Aura satellite and some new analysis techniques, researchers found previously missing or under-reported sources of the pollutant.
Published Jun 7, 2016
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.
Published Jan 27, 2009
A decade of satellite observations show how levels of a common air pollutant have changed over Asian skies.
Published Dec 15, 2015
Much of the world’s nickel, palladium, and copper comes from a single location in Siberia, the Noril’sk mining facility. Because the metals must be extracted from sulfide ore, however, the same facility also produces much of the world’s sulfur dioxide pollution.
Published Dec 5, 2008
A large cloud of sulfur dioxide stretched across the Northern Pacific Ocean following the eruption of Sarychev Peak Volcano in mid-June 2009.
Published Jun 18, 2009
Sulfur dioxide emissions have declined in the eastern United States and risen slightly in Mexico.
Published May 26, 2017
On July 12, 2008, Okmok Volcano, in Alaska’s Aleutian Islands erupted, releasing a plume of ash and steam. Besides emissions visible to human eyes, Okmok also released sulfur dioxide, a gas our eyes cannot see, but which can affect both human health and climate.
Published Jul 25, 2008
