In the small-scale details of grain shape, researchers have found a new way to understand how sediment flows in a river, a process shaping Earth’s landscapes.
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Boreal Trees May Grow Faster Due to Climate Change
Enhanced tree growth could significantly offset carbon emissions, but some researchers say it’s not enough to compete with forest disturbances.
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Ants Aren’t Adapting to Warmer Temperatures
Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.
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Climate Extremes Threaten California’s Central Valley Songbirds
A “nestbox highway” in California’s Central Valley is guiding songbirds to safe nesting sites and giving scientists a peek at fledgling success in a changing climate.
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Las hojas están brotando más temprano en el Sendero de los Apalaches
Imágenes satelitales de nuevas y brillantes hojas revelan cambios que producirán un efecto de cascada en diversos ecosistemas al este de los Estados Unidos.
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Seafloor Plastic Pollution Is Not Going Anywhere
The amount of microplastics at the bottom of the Mediterranean is growing as global production increases and plastic breakdown is halted.
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Mapping Rwanda’s Trees from Above
Researchers used both aerial and satellite imagery, as well as machine learning, to map the carbon stock of every overstory tree in Rwanda—the first such inventory in the world.
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Starry Nights Are Disappearing
Stars dim as the sky gets brighter, a result of expanding cities and bright LEDs. Simple low-tech changes can help preserve dark night skies.
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UV Radiation Contributed to Earth’s Biggest Mass Extinction
To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.
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Biden Calls Climate Change “Existential Threat”
Wildfires, flooding, and green energy also appeared—briefly—in the president’s second State of the Union address.