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.
science policy
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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.
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Seaports Could Lose $67 Billion Yearly from Natural Disasters
Small islands and low-income nations face the largest relative monetary losses to their ports and maritime trade.
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The Role of Insurance in Climate Adaption
New research tests the promise of insurance to harden the U.S. economy to tropical storms.
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Earth’s Orbit Is About to Get More Crowded
The military is launching a fleet of small, interconnected satellites to collect data, track missiles, and aim weapons.
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Twenty Years of NSF Funding Show Racial Disparities
White principal investigators won a disproportionate share of National Science Foundation funding between 1996 and 2016, according to an analysis of public data.
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Satellite Data Reveal Uptick in Cover Cropping on Farms
Over the course of a decade, farmers growing corn and soybeans in the U.S. Midwest increased their adoption of cover cropping—a tenet of so-called conservation agriculture—by fourfold.
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El conocimiento tradicional es esencial para la sustentabilidad en el Amazonas
Durante la COP26, el Panel Científico por la Amazonia enfatiza la necesidad del conocimiento indígena y local para orientar las recomendaciones científicas y políticas.
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Social Media Posts Reveal Human Responses to Deadly Tongan Eruption
Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.
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Could Floating Solar Panels Help Mitigate Climate Change?
“Floatovoltaics” are an emerging technology, but their environmental impacts are still unknown.