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Substantial Antarctic Ozone Hole in 2021
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Published October 29, 2021
A colder than usual winter atmosphere over the Southern Hemisphere led to a deep and larger-than-average ozone hole in 2021.
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Extratropical Cyclones Drench West Coast
Published October 25, 2021
One of the most intense extratropical cyclones ever to strike the Pacific Northwest drew an equally historic amount of moisture onshore.
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What’s Behind California’s Surge of Large Fires?
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Published October 4, 2021
Heat waves and droughts supercharged by climate change, a century of fire suppression, and fast-growing populations have made large, destructive fires more likely.
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Nicholas Soaks the Gulf Coast
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Published September 15, 2021
The slow-moving storm has been pulling in tropical moisture.
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Unusual Snowfall in Greenland
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The remnants of Hurricane Larry dropped abundant snowfall on Greenland just as the summer melt season was coming to an end.
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Flash Floods from Ida Swamp the Northeast
Published September 2, 2021
Many of the worst-hit areas in Delaware, Pennsylvania, New Jersey, and New York saw 6 to 10 inches of rain fall in just a few hours.
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Hurricane Ida Batters Louisiana
Published August 30, 2021
Preliminary reports suggest it is the fifth-strongest storm ever to make landfall in the continental U.S.
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Rain and Warmth Trigger More Melting in Greenland
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Published August 18, 2021
The island’s vast ice sheet underwent multiple bouts of widespread melting this summer, exacerbated in August 2021 by rain.
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Sizing Up How Agriculture Connects to Deforestation
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Published August 11, 2021
Using satellite data from the past two decades, scientists are starting to pinpoint which crops and farming styles have lasting impacts on forests.
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An Upended Ecosystem in the Arabian Sea
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Published August 5, 2021
How can snow cover on the Himalayas influence the species that thrive in the ocean a thousand kilometers away?
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A Summer of Fire-Breathing Smoke Storms
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Published July 29, 2021
For decades, scientists have been tracking extreme thunderstorms created by wildfires. However, the ferocity of the storms that have popped up in Canada in 2021 has surprised them.
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Smoke Across North America
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Published July 21, 2021
Skies turned hazy from Pittsburgh to Washington to Boston, as smoke from fires in Canada poured into the U.S. Northeast.
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