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Fagradalsfjall Continues to Erupt
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Published June 29, 2021
Lava flows from the Icelandic volcano were estimated to cover a total area of 3 square kilometers, three months after the eruption began.
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A Cirrus Sign of Tornadoes
Severe thunderstorms can draw plumes of cirrus clouds into the stratosphere, a sign that tornadoes, large hail, or damaging winds may be coming soon.
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Exceptional Heat Hits Pacific Northwest
Published June 28, 2021
In June 2021, all-time temperature records fell in multiple cities in the U.S. and Canada during a “historic and dangerous” heatwave.
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COVID-19 Lockdowns Cut Pollution, But Not All of It
Published June 25, 2021
Dust storms and other weather phenomena offset some reductions in PM2.5 aerosol pollution.
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Banks Peninsula, New Zealand
Published June 27, 2021
The distinct nub protruding from the east coast of South Island includes remnants of extinct, eroded volcanoes.
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High, Dry, and Rare in the Sky
Published June 26, 2021
Noctilucent clouds form so high in the atmosphere that they continue to reflect sunlight hours after sunset, creating a spectacular nighttime display.
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The Ancient Barberton Makhonjwa Mountains
Published July 6, 2021
Rare igneous rock and early signs of life are found beneath the grassy hills of the mountain range in South Africa and Eswatini.
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Violent Formation for Mistastin Lake
Published June 30, 2021
The lake covers part of a crater where an asteroid once slammed into Labrador, Canada.
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Mapping the Spread of Lyme Disease
Researchers used field observations and remote sensing data to map the spread of the bacteria-carrying ticks in central and eastern Canada.
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Fires Rage in Arizona
Published June 22, 2021
Hot, dry weather has parched vegetation and turned the state into a tinderbox.
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African Dust Visits Europe
The dust storm traveled from Algeria to Italy, spanning roughly 1,000 kilometers (620 miles).
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Brazil Battered by Drought
Published June 23, 2021
Prolonged dry conditions have caused the worst drought in central and southern Brazil in almost a century.
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