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Historic Fires Devastate the U.S. Pacific Coast
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Published September 11, 2020
Satellite data is helping scientists size up one of the most intense outbreaks of fire and smoke that Oregon and California have seen in decades.
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Downslope Winds Fan Western Fires
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Published September 9, 2020
Dozens of extremely intense fires are tearing through Pacific Coast states.
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A Smoky Inferno
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Published September 8, 2020
Intense fires raged in several western states over the Labor Day weekend.
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When Rivers are Borders
Published September 4, 2020
A new dataset reveals interesting patterns about where and why rivers define national borders.
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How Rivers Shape States
Many state and local boundaries around the world—including many in the United States—are the product of rivers.
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Explorer Base Map
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Published September 1, 2020
The underlying base map for the Earth Observatory Explorer browse tool.
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A New Tool for Tracking Amazon Fires
Published August 19, 2020
Following a notable increase in fire activity in August 2019 and a gradual rise in deforestation, scientists have been watching for signs of how 2020 might shape up. Several worrisome signs have emerged.
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No Rest for Nishinoshima
Published August 6, 2020
Volcanic activity that ramped up in late May 2020 has continued into August.
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Arctic Lows
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Published August 5, 2020
Record-low sea ice in July 2020 could be further depleted by a low-pressure system that developed over the Arctic Ocean.
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Intense Flooding in Bangladesh
Published July 31, 2020
Monsoon-related flooding, which has been ongoing since June 2020, has inundated a quarter of the country.
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Phytoplankton Surge in Arctic Waters
Published July 30, 2020
The floating plant-like organisms are showing up in higher concentrations across the Arctic Ocean.
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The Parched Paraná River
Published July 28, 2020
A drought around South America’s second longest river has grounded ships and contributed to a rash of fire in the delta and floodplain.
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Alaska’s Vegetation is Changing Dramatically
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Published July 24, 2020
Tree and plant cover has deteriorated considerably in some areas, while advancing in other areas that previously burned or used to be frozen.
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Gearing Up for an Active 2020 Hurricane Season
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Published July 17, 2020
Abnormally warm ocean temperatures and a potential La Niña set the stage for an above-average Atlantic hurricane season.
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Sea Ice in Denmark Strait
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Published July 16, 2020
Ice that originated in the Arctic Ocean drifts hundreds of miles south, pulled along and shaped by the East Greenland Current.
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Great, Warm Lakes
Published July 15, 2020
Just a few months after an unusually warm winter with minimal ice, the surface temperatures of the lakes are now near or above records.
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Rare Peek at Patagonia in Winter
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Published July 10, 2020
In June 2020, just the right weather patterns were in place to provide a clear view of the snowy landscape.
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Nishinoshima Belches Ash and Lava
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Published July 6, 2020
A young volcanic island in the western Pacific Ocean has been going through some growing pains.
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Shifting Seasons on the Steppe
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Published July 2, 2020
Linear features in the Kulunda region of southwestern Russia look as if a large claw has scraped the land surface.
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Heat and Fire Scorches Siberia
Published June 23, 2020
Fires are raging in eastern Siberia in the midst of an unusually long-lived heat wave.
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Southeastern Australia Turns Green
Published June 18, 2020
After two years of severe drought, abundant rain finally fell over the Australian state and turned the landscape green.
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