NASA maps a week of Canadian wildfire smoke across North America
A new NASA model visualization traces brown-carbon smoke from July 14 through July 20 as unhealthy air spread through major U.S. and Canadian cities.
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A new NASA model visualization traces brown-carbon smoke from July 14 through July 20 as unhealthy air spread through major U.S. and Canadian cities.

Robert Howden became Texas’ 116th secretary of state on July 18, taking over the state office that oversees elections, business filings and official records.
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28 stories in this desk.The Upper East Side outbreak has reached at least 67 confirmed cases as investigators continue testing and disinfecting building cooling towers.
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