Images related to The Ups and Downs of Sulfur Dioxide in North America

Satellite Finds Unreported Sources of Sulfur Dioxide
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Satellite Finds Unreported Sources of Sulfur Dioxide

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

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Sulfur Dioxide Down over China; Up over India
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Sulfur Dioxide Down over China; Up over India

A decade of satellite observations show how levels of a common air pollutant have changed over Asian skies.

Published Dec 15, 2015

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Sulfur Dioxide Emissions, Bulgaria
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Sulfur Dioxide Emissions, Bulgaria

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

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Sulfur Dioxide Down over the United States
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Sulfur Dioxide Down over the United States

Levels of the air pollutant have dropped by about 80 percent over the eastern United States.

Published Dec 22, 2015

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A Manmade Volcano over Norilsk
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A Manmade Volcano over Norilsk

Sulfur dioxide emissions from ore processing facilities in Norilsk exceed that of many volcanoes.

Published Jun 8, 2018

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Sulfur Dioxide Increasing Over India
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Sulfur Dioxide Increasing Over India

A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.

Published Dec 20, 2013

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Sulfur Dioxide Emissions Fall in China, Rise in India
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Sulfur Dioxide Emissions Fall in China, Rise in India

Pollution controls can work even as coal-usage continues.

Published Nov 14, 2017

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Eruption of Anatahan
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Eruption of Anatahan

Published Aug 15, 2005

Volcanoes

Satellite Catalogs Volcanic Sulfur Emissions
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Satellite Catalogs Volcanic Sulfur Emissions

Eruptions are dramatic, but continuous, low-level emissions of volcanic gas are an important input to the atmosphere.

Published Mar 10, 2017

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SO2 Pollution Controls Bring Results
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SO2 Pollution Controls Bring Results

Scientists using a NASA satellite found that sulfur dioxide levels in the vicinity of major coal-fired power plants in the U.S. have fallen by half since 2005.

Published Dec 2, 2011

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