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La Niña Returns for a Second Winter
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Published December 13, 2021
This coupling of the atmosphere and ocean alters atmospheric circulation and jet streams in ways that intensify rainfall in some regions and bring drought to others.
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The Nile Delta’s Disappearing Farmland
Published December 15, 2021
Rapid population growth and expanding cities are eating away at one of Egypt’s most precious resources.
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North Patagonia Icefield, Southern Andes
Published December 12, 2021
The mountain peaks here reach high enough and temperatures remain cold enough year-round that permanent ice persists amid a warming world.
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A Deadly Day on Mount Semeru
Published December 11, 2021
Flows of superheated ash and tephra mixed with rain to create destructive rivers of debris on the Indonesian volcano.
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Soggy Autumn in the Pacific Northwest
Published December 9, 2021
Soils across western Washington and southern British Columbia were saturated for much of the season.
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Snow Caps Mauna Kea and Mauna Loa
Published December 8, 2021
A “Kona low” weather system brought blizzard conditions and extreme precipitation to Hawai’i.
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Windblown Beauty in the Weddell Sea
A dazzling array of sea ice types drifted in the waters off Antarctica’s Ronne Ice Shelf.
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Antarctica Eclipsed
Published December 7, 2021
The only total solar eclipse of 2021 was visible from Antarctica, where the Moon blotted out the Sun for nearly two minutes.
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Lake Berryessa
Published December 5, 2021
The reservoir provides water for Napa wine country and for cities in Northern California.
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Spain’s Changing Mediterranean Coastline
Published December 6, 2021
Starved of its sediment supply, the Ebro Delta faces erosion and subsidence, along with rising seas and more frequent and intense storms.
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Mount Michael, Volcano Track or Plume?
Published December 4, 2021
The nearly 1,000-meter-tall volcano in the South Sandwich Islands frequently finds a way to put on a show.
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Mapping Marine Microplastics
Published December 3, 2021
Researchers used satellite data to detect and track masses of plastic floating in the ocean.
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