National Science Environment Why Seattle Had The Worst Air Quality In The World At Some Points This Summer 4:32pm August 31, 2018 Science Environment National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Arts World News National These Australian twins have gone viral after speaking in synch by William Troop Environment Scientists are raising the alarm about Trump's deep sea mining executive order 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
Arts World News National These Australian twins have gone viral after speaking in synch by William Troop
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