![Scientists say Pacific Northwest wildfires are altering air pollution patterns across the U.S.](https://cdn.newsserve.net/ONPglobe256.png)
Scientists say Pacific Northwest wildfires are altering air pollution patterns across the U.S.
Nearly 3,500 wildfires have burned more than 1 million acres of land in Washington during the last two years, according to the Washington Forest Protection Associatio
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