Some six billion tonnes of sand and other sediment is extracted from the world's seas and oceans every year, the UN said Tuesday, warning of the devastating toll on biodiversity and coastal communities.
Environment
Sep 5, 2023
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17
Microplastics impact how sand travels along riverbeds, suggesting microplastics could increase riverbed erosion, according to an international team of researchers. Roberto Fernández, an assistant professor in the Department ...
Environment
Sep 1, 2023
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101
Coastlines—the interface between land and sea—lie at the frontline in the battle against climate change impacts.
Environment
Aug 25, 2023
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26
On Aug. 5, NASA's Curiosity rover will notch its 11th year on Mars by doing what it does best: studying the Red Planet's surface. The intrepid bot recently investigated a location nicknamed "Jau" that is pockmarked with dozens ...
Space Exploration
Aug 3, 2023
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115
The urge to draw images in sand, or create sand sculptures, seems to be irresistible, as a walk on many a modern beach or dune surface will show. Sand is a vast canvas—and may have been used as one for far longer than people ...
Archaeology
Jul 20, 2023
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38
In the Gulf of Saint Lawrence, on the small Magdalen islands, foot paths are caving in, cliffs are receding and the sand dunes are disappearing, leaving homes vulnerable to the lashing waves.
Environment
Jul 17, 2023
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35
New research suggests humans lived in South America at the same time as now extinct giant sloths, bolstering evidence that people arrived in the Americas earlier than once thought.
Archaeology
Jul 13, 2023
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58
Sand boils caused by groundwater discharges affect beach stability, yet knowledge of these damaging underground erosions is largely misunderstood, and therefore hard to curb.
Earth Sciences
Jun 26, 2023
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8
Although sand dunes often conjure images of great deserts, they also occur along coastlines worldwide and can be an important buffer for communities threatened by sea level rise, storms and coastal erosion.
With rainfall increasingly scarce, irrigating crops can be a major challenge, but farmers in southeastern Spain have long relied on recycled wastewater in a model that is winning attention abroad.
Environment
Jun 21, 2023
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