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Gallery of Air
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This smokestack is releasing greenhouse gases and other pollutants into the atmosphere.
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Pollution from cars and factories can create dense smog in cities.
Photo credit: Metro Transportation Library and Archive.
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A car’s emissions are checked at a station in California.
Photograph by R. Couse-Baker.
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An oil refinery in Salt Lake City burns off waste gases, releasing carbon dioxide to the atmosphere.
Photograph by R. B. Reed.
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Burning 110 gallons of gasoline will produce one metric ton of carbon dioxide, enough to fill this green balloon in front of the United Nations building.
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Burning one gallon of gas produces 20 pounds of carbon dioxide.
Photo credit: www.TheEnvironmentalBlog.org.
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An underwater oil pipeline burns after a collision with a tugboat.
Photograph by Petty Officer 3rd Class Carlos Vega/US Coast Guard District 8.
