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|  | | A Smoky Pall Over Canada
Wildland fires usually wind down in autumn, but this year they continued to rage into October. | |
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|  | | Abu Dhabi
Intertidal flats, mangroves, and artificial islands surround the populous capital city of the United Arab Emirates. | |
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|  | | Climate Change Lends New Color to the Ocean
Two decades of satellite measurements show that the sea surface is shading toward green. | |
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|  | | The Mississippi is Mighty Parched
In September, low water levels made it more challenging to ship goods down the river and allowed a wedge of saltwater to move upstream. | |
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|  | | A Brief Iceberg–Island Encounter
After passing the Antarctic Peninsula, Iceberg D-30A grazed the much smaller Clarence Island, spun around, and drifted north. | |
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|  | | Arctic Sea Ice 6th Lowest on Record
Satellite data shows that Arctic sea ice likely reached its annual minimum extent on September 19, 2023. | |
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| | | Dusty Skies in Southern Asia
Dust from the ephemeral Hamun wetlands streamed over parts of Iran, Afghanistan, and Pakistan in September. | |
