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Sierra Snowbank Short on Funds
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Published July 14, 2021
Mountain snow melted away nearly a month ahead of schedule, leaving reservoirs without their usual inflow of freshwater.
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A Longer-Lived Ice Arch
The natural sea ice structure west of Greenland stuck around longer than usual in 2021, despite a recent trend toward earlier breakups.
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Venezuela’s Flat-Topped Mountains
Published July 13, 2021
Decorated with steep cliffs and impressive waterfalls, Canaima National Park is biologically and geologically unique.
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COVID-19 Lockdowns Cut Pollution, But Not All of It
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Published June 25, 2021
Dust storms and other weather phenomena offset some reductions in PM2.5 aerosol pollution.
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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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