Science

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  particulate matter of life and death

  44,000 Americans could end up dying from wildfire smoke every year
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  Climate Desk

  National park officials were told climate change was ‘sensitive.’ So they removed it from a key planning report.
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  holy smoke

  What does wildfire smoke mean for the people who breathe it?

  5 min
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  where there's smoke

  What’s a smokestorm? A meteorologist explains.
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  lane changing

  Bigger, stronger, rainier: Is Hawaii’s Hurricane Lane a sign of what’s to come?
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  troubled waters

  Hurricane Maria stirred up dangerous pollutants on this Puerto Rico waterfront
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  hooray for science

  Nitrogen pollution is a problem as big as climate change. Science might have a fix.
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  The Last Best Place

  Glacier National Park is on fire — and yes, warming is making things worse
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  climate desk

  An army of deer ticks carrying Lyme disease is advancing. It will only get worse.