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Haze Smothers Northern India
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Published November 4, 2019
Air pollution has reached hazardous levels in some areas.
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Assateague on the Move
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Published October 9, 2019
Assateague, Chincoteague, and Wallops provide a rare example of overlapping barrier islands. All of them are constantly in motion.
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Tracking “Blue Tear” Blooms
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Published October 7, 2019
Satellites can track Noctiluca scintillans, a type of phytoplankton that produce a bioluminescent glow at night.
2019 Arctic Sea Ice Minimum Is Second Lowest
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Published September 23, 2019
The long-term trend for Arctic sea ice extent has been definitively downward.
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Edge of the Ice
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Published September 28, 2019
Summer snowmelt along the flank of Greenland’s Humboldt Glacier exposes layers of ice from ancient climate periods.
Circling the Serengeti
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Published September 9, 2019
These African plains host the largest natural animal migration in the world.
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Nearing the Limit of Retreat
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Published August 29, 2019
One branch of Alaska’s Columbia Glacier seems to have retreated as far as it can, while the other still has some distance to go.
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