Scientists have long known that the two layers of Earth’s mantle have different chemical compositions. Now, modeling shows that different water concentrations may keep them from mixing.
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El aire nocivo a la salud podría volverse rutinario en el Pacífico Noroeste
Si el mundo continúa utilizando combustibles fósiles, la contaminación por partículas finas derivadas del humo de incendios podría duplicarse de finales de verano a inicios de otoño en el área del Pacífico Noroeste en los EE.UU. para el año 2100.
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Building Resilience in the Face of a Dwindling Colorado River
Policymakers, industry and conservation professionals, and tribal members explore pathways to a sustainable future for the millions of people reliant on the “lifeblood of the American West.”
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La minería amenaza a las poblaciones Indígenas aisladas del Amazonas
Un proyecto de ley en el Congreso Brasileño permitiría la expansión minera en territorios Indígenas. Una nueva investigación demuestra cómo esto podría afectar radicalmente a los pueblos aislados.
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Evidence of Drought Provides Clues to a Viking Mystery
A persistent drying trend, not plunging temperatures, may have played a role in the unexplained disappearance of Norse settlers from Greenland, according to researchers.
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Moon’s Porosity Changes Cratering History, Study Says
Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.
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Martian Glaciers May Have Carved Its Valleys
Networks of valleys provide puzzling hints of running water on the surface of the Red Planet. New research suggests that some tributaries could have formed from icy sheets thousands of meters thick.
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A Spike in Wildfires Contributed to the End-Permian Extinction
An upward trend in fossilized charcoal indicates that wildfires may have contributed to extinctions during the Great Dying.
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Scientists Bring Forests into the Internet of Things
Armed with $10.5 million in funding, researchers will deploy novel sensors for real-time data assimilation and modeling of how changes in climate are affecting woodlands.
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Maui Endures More Drought and Drier Streams
Drought continues to threaten Maui’s native land-based and marine ecosystems, water resources, and traditional ways of life. But conservationists have hope—and ways to fight back.