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Alaska Air Pollution Holds Clues for Other Arctic Climates

This Feb. 16, 2022, photo shows a plume of smoke being emitted into the air from a power plant in Fairbanks, Alaska, which has some of the worst polluted winter air in the United States. Over seven weeks this winter, nearly 50 scientists from the continental U.S. and Europe descended on Fairbanks to study the sources of air pollution. (AP Photo/Mark Thiessen)
This Feb. 16, 2022, photo shows a plume of smoke being emitted into the air from a power plant in Fairbanks, Alaska, which has some of the worst polluted winter air in the United States. Over seven weeks this winter, nearly 50 scientists from the continental U.S. and Europe descended on Fairbanks to study the sources of air pollution. (AP Photo/Mark Thiessen)
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Fairbanks, Alaska (AP) -- In the pristine expanse of Alaska’s interior lies a dirty secret: some of the most polluted winter air in the United States can be found in and around Fairbanks.

The Fairbanks North Star Borough, which includes Alaska’s second largest city, routinely exceeds limits set by the U.S. Environmental Protection Agency for particle pollution that can be inhaled and cause myriad health problems.