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NASA's Black Marble analysis of VIIRS satellite data from 2014 to 2023 reveals that global nighttime radiance increased by 34% despite significant regional dimming in areas like Paris and the U.S. East Coast. These nuanced patterns reflect the combined impact of energy-efficient LED adoption, economic restructuring, and geopolitical events such as the Russia-Ukraine conflict. For tech and policy audiences, the findings underscore how sensor filtering capabilities can isolate specific light sources to track both urban development and environmental shifts beyond simple aggregate growth metrics.
Eastern Hemisphere Lights Dimmed and Brightened From 2014-2023
NASA’s Black Marble data reveals nuanced changes in artificial lights across the Eastern Hemisphere from 2014-2023, linked to industry & policy.
An analysis of nearly a decade of nighttime imagery from NASA’s Black Marble product reveals a world where patterns of light are more nuanced than simple growth, displaying a patchwork of brightening and dimming across the inhabited globe. Utilizing data collected from the VIIRS sensors on the Suomi-NPP, NOAA-20, and NOAA-21 satellites, researchers…
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