Streamflow in the West has been below average since the early 2000s, but a new analysis shows that streams aren’t as dry as expected.
News
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Pollination Plummeted 31% in Polluted Fields
Air pollution levels below “safe” limits (and lower than those commonly found in cities) led to a significant decrease in pollination by 10 common insects.
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Satellite and on-the-Ground Data Help Monitor Groundwater in India
Village volunteers use remote sensing and manual measurement to help farmers use groundwater more efficiently.
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Exposure to Low Levels of Air Pollution Increases COVID-19 Risk
Although causality has yet to be established, an Italian case study found that an increase in annual average exposure to PM2.5 was associated with a jump in the rate of COVID-19.
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Coal Seam Fires Burn Beneath Communities in Zimbabwe
Underground fires threaten the health of people and livestock living near mines supporting the country’s growing coal industry.
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Tecnología de punta, serendipia y los secretos del Stonehenge
El primer análisis exhaustivo de lo qué están hechas las piedras sarsen se produjo con nueva tecnología y buena suerte a la antigua.
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Magnetic Stop Signs Show Birds the Way Home
Just like salmon and sea turtles, these songbirds appear to be sensitive to shifts in the magnetic field.
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How Does Sand Move? New Observations Challenge Prevailing Formulas
Research in the Azores finds a discrepancy between field observations of sediment transport and predictions made with commonly used mathematical formulas.
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Himalayas Are Experiencing an “Exceptional” Loss of Glacial Mass
The Himalayas have lost 40% of their glacial mass since the Little Ice Age. East Nepal and Bhutan have experienced the most rapid losses.
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To Make a Big Moon, Start with a Small Planet
Why is our Moon so massive compared with Earth, and how might that configuration happen elsewhere?